A lifeguard and freediving coach’s guide to the best snorkeling from Alghero and Stintino to Capo Testa, Asinara and La Maddalena

My name is Federico. I am thirty-five. I work as a lifeguard and swimming instructor. I coach freediving. I scuba dive. I surf. When the conditions are right, I kite. I also spearfish. But I fish what I am allowed to fish, when I am allowed to fish it, and only at legal size. If an area is protected, the gun stays home. That should not deserve applause. It is the minimum. I was raised Catholic. I believe creation deserves respect. And I have spent enough time in the sea to know that faith is not an excuse for stupidity. God gave us lungs. He also gave us a brain. Use both. I have snorkelled all over Northern Sardinia. Some places hundreds of times. Others only when conditions line up. And the first thing I want to make clear is this:

The best beach is not necessarily the best snorkeling beach.

White sand photographs beautifully. Underwater, sand is mostly sand. Give me granite. Limestone. Posidonia. Broken rock. Channels. Small drop-offs. Shade beneath ledges. That is where life gets interesting. So this is not another list of Sardinia’s prettiest beaches with the word “snorkeling” added to the title. These are places where I would actually put on a mask.

Best Snorkeling in Northern Sardinia at a Glance

SpotAreaLevelEntryMy score
Lazzaretto	Alghero	Beginner	Shore	8/10
Capo Galera	Alghero	Beginner–Intermediate	Shore/boat	9/10
Mugoni rocky margins	Porto Conte	Beginner	Shore	7/10
La Pelosetta	Stintino	Beginner	Shore	8/10
Coscia di Donna	Stintino	Intermediate	Shore	8.5/10
Punta Trabuccato	Asinara	Guided	Boat	9/10
Reale	Asinara	Guided	Boat	8.5/10
Li Cossi	Costa Paradiso	Beginner–Intermediate	Shore	8.5/10
Rena di Ponente/Levante	Capo Testa	Beginner	Shore	8/10
Cala Spinosa	Capo Testa	Intermediate	Shore	9.5/10
Punta Tegge	La Maddalena	Intermediate	Shore	8.5/10
Cala Napoletana	Caprera	Beginner–Intermediate	Hike/boat	9/10
Cala Coticcio	Caprera	Controlled access	Guided/boat	9.5/10
Cala Corsara	Spargi	Beginner–Intermediate	Boat	9/10
Cala Lunga	Razzoli	Intermediate	Boat	9.5/10

My favourite overall?

Cala Spinosa when the sea is right.

Best for a beginner?

Lazzaretto or La Pelosetta.

Best day with a boat?

Razzoli and Spargi.

Best protected marine environment?

Asinara.

Now the important part.

Before the 15 Spots: Federico’s Snorkeling Rules

I don’t care how well you swim in a pool. The sea is not a pool. A few rules.

Never snorkel alone if you intend to make repeated breath-hold dives.

For casual surface snorkeling close to a supervised beach, circumstances are different. Once you begin diving down, extending the route offshore or treating snorkeling as freediving, use a buddy properly. Not somebody 100 metres away taking photographs. A buddy.

Do not hyperventilate before an apnea dive.

It does not magically create oxygen. It can suppress the urge to breathe while oxygen continues falling. That is how people become unconscious without enough warning.

Know how you are getting out before getting in.

Entry can be easy. Exit can become difficult when wind, waves or fatigue arrive.

Look at boat traffic.

A snorkel does not make you visible. When operating away from a protected swimming area I strongly prefer a proper surface marker, and organised diving guidance likewise stresses buddy diving, favourable sea conditions and visible surface support.

Do not touch things because they are pretty.

Watch the octopus. Leave it alone. Watch the starfish. Leave it alone. Watch the seahorse if you’re lucky enough to find one. Definitely leave it alone. And Posidonia is not dirty grass. It is habitat.

1. Lazzaretto, Alghero — The Best Place to Start

If somebody tells me they have never really snorkelled before, this is one of the places I take them. Not the middle of the main beach. The edges. Lazzaretto has a series of little coves divided by sandstone and rock. That mixture gives you easy shallow-water exploration without immediately committing to open sea. The official regional tourism guide specifically describes the low rocky seabed near the promontory beyond the main beach as excellent for snorkeling. I started swimming around here young. The basic character has barely changed. Mask on. Enter from sand. Move towards rock. Slow down.

What you might see

Salema. Small seabream. Wrasse. Damselfish. Blennies close to rock. Sea urchins. Occasionally an octopus if you know how to stop looking for the animal and start looking for the signs it leaves around its shelter. Broken shells are often more useful than searching for eight obvious tentacles.

Federico’s verdict

Excellent beginner spot.

You do not need to dive deep. You do not need fins costing €200. You need a mask that doesn’t leak and the ability to relax.

2. Capo Galera — Where Snorkeling Starts Becoming Underwater Exploration

Move farther into the Porto Conte area and things become more interesting. Capo Galera sits within the broader Capo Caccia–Isola Piana marine environment. This whole coastline is serious diving territory. Walls, caves, limestone formations and protected marine habitats make the Alghero area internationally known among scuba divers. The Capo Caccia–Isola Piana Marine Protected Area covers roughly 2,631 hectares and about 36 kilometres of coastline, divided into zones with different levels of protection. The 2026 regulations permit bathing, apnea and regulated underwater activities according to the relevant zone. I like Capo Galera because beginners can stay shallow while stronger swimmers begin to understand why Alghero is more interesting underwater than a satellite photograph suggests. Rock changes everything.

Guided option

Capo Galera Diving Center operates at Località Capo Galera near Fertilia and offers both boat and bay snorkeling; its current published rates list equipment-included snorkeling from the bay as well as boat outings. For somebody new to the area, spending the first outing with professionals is money well spent. Then come back independently when you understand the place.

3. Mugoni — Easy Snorkeling for Families Who Don’t Need Drama

Mugoni is not where I go to impress another freediver. It is where I go with normal human beings. Families. Children. People who haven’t worn fins since 2009. The bay is naturally sheltered inside Porto Conte and the water is typically calmer than the exposed western coast. The beach runs for around two kilometres, with pine and eucalyptus vegetation behind it and a gently accessible marine environment. The sandy middle is not especially interesting underwater. Go towards the margins. Rocky sections and smaller coves are better.

Good for children?

Yes. Very. But give a child a mask that fits. An €8 leaking mask can convince a child that snorkeling is miserable for the next five years. That is an expensive saving.

My rating

Marine spectacle: 6.5. Ease: 9. Overall family snorkeling: 7/10. Sometimes easy beats spectacular.

4. La Pelosetta — Better Snorkeling Than La Pelosa

There. I said it. If your objective is photographs and shallow turquoise water, La Pelosa wins. If your objective is actually looking underwater, I prefer La Pelosetta. It sits beside the famous beach, around the rocky setting facing Torre della Pelosa. Stintino’s official tourism service itself identifies La Pelosetta as having excellent snorkeling conditions. Why do I prefer it? More rock. More edges. More variation. Less endless shallow sand.

Beginner strategy

Do not immediately swim towards whatever point looks farthest away. Explore close to the rocks. Go slowly. The person racing over 500 metres of water normally sees less than the person covering 100 metres properly. Snorkeling is observation. Not cardio.

5. Cala Coscia di Donna — My Stintino Choice for Stronger Swimmers

If you want Stintino without the La Pelosa circus, try Cala Coscia di Donna. This is a wilder little cove with rocky seabed, clearer structure and considerably less of the resort-beach feeling. Stintino’s municipal tourism guide specifically recommends it for snorkeling because of its rocky bottom and marine fauna, while also noting that access requires paths and is unsuitable for people with reduced mobility. That tells you something immediately. This is not your easy umbrella day.

Why I like it

Dark rock gives contrast. Posidonia patches create habitat. Small fish use the structure. You have somewhere to look.

Why I don’t send everyone

Access. Sea conditions. Fewer services. If you are uncomfortable entering from rock or assessing an unsupervised cove, use La Pelosetta instead. Spavaldo is one thing. Stupid is another.

6. Punta Trabuccato, Asinara — Protected Water Done Properly

Now it gets serious.

Asinara is not merely another nice coastline.

It is a Marine Protected Area. That changes both the quality of the experience and your responsibilities. The 2026 Asinara Marine Protected Area regulation identifies specific sites for underwater visits and snorkeling. Punta Trabuccato appears among them, and a separate coordinate at Punta Trabuccato is designated specifically for snorkeling activity. This is important. Do not treat Asinara like a free-for-all because you brought a mask. Use the Park system and authorised operators.

Why I rate it so highly

Protected areas give fish a different behaviour. You notice it. Not always dramatically. But animals often tolerate your presence differently where constant fishing pressure is reduced. Move quietly. Float. Let the fish decide the distance.

Never chase

Fish are faster. You already know this. Apparently everybody needs to learn it personally.

7. Reale, Asinara — One of the Best Places to Snorkel with Context

The 2026 Park rules also identify Reale as one of the sites specifically allocated for snorkeling activities. I like this because Asinara never feels like just a swim. You have the island’s strange human history behind you. Quarantine. Prisons. Isolation. And then you put your face underwater and enter a completely different system.

How I would do Asinara

Guided. Especially first time. The Park’s current 2026 authorised-operator directory lists dedicated underwater centres and park operators. Among the authorised diving providers are Cala d’Oliva Diving Center, I Sette Mari Tech Dive and Roccaruja Diving Center with departures from Stintino. Roccaruja Diving Center Don’t use a random boat that promises “secret Asinara snorkeling”. There are no bonus points for avoiding the people who know the rules.

A Warning About Cala d’Arena

You will see photographs. You may want to go. That does not mean you can. The Asinara National Park states that Cala d’Arena is an integral reserve where access and bathing are prohibited because of the fragile dunes, vegetation and environmental balance. Respect that. A beautiful protected place you are forbidden to swim in does not become less beautiful. It becomes protected.

8. Li Cossi — Snorkeling Between Pink Rock

Li Cossi is one of Northern Sardinia’s easiest places to recommend because both the landscape above water and structure below it work. The beach sits inside Costa Paradiso between pink trachyte cliffs. Near shore the seabed is shallow and sandy. Move farther towards the rocky margins and it becomes much more interesting. SardegnaTurismo specifically identifies the area offshore as valued for both snorkeling and diving.

Entry

Easy from the beach after the roughly 500-metre access path.

What I do

Enter from sand. Warm up. Check water movement. Then follow one rocky edge rather than crossing backwards and forwards through the centre. Edges hold life. Always.

Best time

Morning. Before everybody else decides the same thing.

9. Rena di Ponente and Rena di Levante — Let the Wind Choose

Capo Testa teaches you one of Sardinia’s most useful rules. Do not decide the beach first. Decide after checking the wind. Rena di Ponente and Rena di Levante sit on opposite sides of the narrow isthmus. That means you can often choose the more sheltered side. For snorkeling, that is gold. Not because either is the most spectacular site on this list. Because good conditions beat famous locations.

What you’re looking for

Granite edges. Small rocky patches. Transitions between sand and structure. Young fish often work those boundaries. Beginners can stay shallow. Families can combine ordinary beach time with mask-and-snorkel sessions. Everybody wins.

10. Cala Spinosa — My Favourite Shore Snorkel in Northern Sardinia

Here we are.

Cala Spinosa.

Capo Testa. Granite. Rocky seabed. Clear water. Small spaces. Depth changes. Life in cracks. Exactly what I want. The official Sardinian tourism guide specifically describes the predominantly rocky seabed as rich in crevices sheltering fish and other marine fauna, calling the cove particularly good for snorkeling and diving. I agree. Completely.

The problem

Getting down. The path is steep and twisting and takes roughly twenty minutes. This is not where you wear slippery flip-flops while carrying six bags.

Once in the water

Do less. This is one of my main snorkeling principles. Stop kicking constantly. Float beside granite. Watch. Wrasse come back. Bream appear. Damselfish rise above rock. Movement becomes visible once you stop being the largest noisy animal in the cove.

Federico score

9.5/10.

Why not 10? There is no 10. The day you decide the sea gave you a perfect score, it will remind you who is in charge.

Guided Snorkeling Around Santa Teresa

If you want to move beyond protected shore water into more exposed Capo Testa conditions, use a professional. Two well-reviewed local centres include: Blu dive Center at the marina in Santa Teresa Gallura. Diving Santa Teresa Gallura on Via del Porto. There is also: Diving Mediterraneo – Centro Formazione Istruttori Subacquei Wase Diveducation at Via del Porto 16. I am an instructor. I still use local people when I do not know a stretch of water. Experience should make you more willing to ask. Not less.

11. Punta Tegge — The Easy La Maddalena Entry That Gets Deep Quickly

You do not always need a boat to find good water in the archipelago. Punta Tegge, on La Maddalena itself, is accessible by road. The important part for snorkelers is its bottom. It becomes rocky and deep relatively quickly. That makes it much more interesting underwater than a broad sandy beach. SardegnaTurismo specifically notes that Punta Tegge is popular with divers and underwater enthusiasts because of that rocky, quickly deepening seabed.

Beginner?

Stay near shore and beside the shallower rock.

Comfortable swimmer?

There is much more to explore. But look up. Boat traffic is real around La Maddalena. Your mask points your eyes downward. Your brain still has to work upward.

12. Cala Napoletana — The Best Combination of Easy Water and Serious Beauty

Cala Napoletana is on Caprera. It is one of the rare locations where the Instagram version and the underwater version are both good. Fine sand. Pink granite. Very transparent water. Fish around the rocks. The official regional tourism page explicitly describes the shallow, gently sloping bottom as excellent for snorkeling and notes the numerous fish visible in the clear water.

Access

By trail or by sea. The land approach takes effort. That is not a disadvantage. It filters out a little laziness.

Snorkeling plan

Start on the sandy area. Then move towards the granite separators between the little beaches. Again:

sand → rock transition.

That is where I pay attention.

13. Cala Coticcio — Extraordinary, Fragile and Not Yours

People call it Tahiti. I don’t. It is Cala Coticcio. That name is good enough. This is one of Caprera’s most famous coves and one of the places where tourism pressure has changed how we should behave. Land access through the high-protection TA zone is controlled and requires an authorised environmental hiking guide. The Park also requires a €3 environmental contribution, separate from the guide’s fee; children up to 12 are exempt. So no:

“I saw a shortcut on TikTok.”

Use the system.

Is the snorkeling good?

Very. Granite. Clear protected water. Small-scale underwater structure. But I prefer visiting via an organised marine snorkeling excursion or under the correct controlled-access arrangements rather than trying to game the place. Protection is part of the experience now. Not an obstacle to it.

14. Cala Corsara, Spargi — Snorkeling During a Boat Day

Spargi is beautiful from the boat. Then you put your face underwater. Better. Cala Corsara has fine white sand divided into several little beaches surrounded by granite formations. The official Sardinia tourism guide explicitly identifies Cala Corsara as an ideal setting for snorkeling and diving, with rich seabed features and even archaeological wreck history farther below. Do not misunderstand the wreck part. You are not casually snorkeling down to inspect a Roman shipwreck. That belongs to a different level of underwater activity and regulation. Stay within your activity.

My favourite part

Rocky margins away from the busiest patch of swimmers. But watch vessels. Spargi receives serious boat traffic in summer. A beautiful bay full of boats is still a bay full of propellers. Remember that.

15. Cala Lunga, Razzoli — My Boat-Only Winner

If you give me calm conditions, a good boat, a sensible skipper and a full day, I want Razzoli. The island is more rugged and less domesticated than many classic beach stops. The National Park describes its coastline as highly indented, with abundant marine fauna and particularly rich, pristine seabeds perfect for snorkeling. Cala Lunga is its only landing inlet and is accessible by sea. This is why I rank it so highly. Not convenience. The opposite.

But read the weather

Cala Lunga’s suitability changes with wind direction; the Park specifically notes anchoring there is suitable with easterly winds. You are now in serious archipelago territory. Do not treat an island reached only by sea like a hotel swimming pool with a longer transfer. Know the forecast. Know how you are returning.

What About La Pelosa?

Beautiful. One of the most beautiful beaches in Europe, in my opinion. Not one of my top snorkeling locations. Why? Too much sand. Too many people. Too much shallow water before the structure becomes interesting. The rocky sections can still be enjoyable. But if I am carrying a mask specifically to snorkel, I walk towards La Pelosetta instead. You asked for my actual choices. Not the famous choices.

Why Porto Ferro Is Not on My List

Because I like Porto Ferro too much to pretend it is something it isn’t. Porto Ferro is one of my favourite beaches. I surf there. I swim there when conditions are right. I respect it. But for a visitor asking:

“Where should I go snorkeling tomorrow?”

I normally choose somewhere else. Exposed west-coast water means swell, movement and changing visibility more often than sheltered bays. On a flat day? Sure. But I rank snorkeling locations by what they reliably offer. Not by the best day I ever had there.

What Can You See Snorkeling in Northern Sardinia?

Forget tropical aquarium expectations. This is the Mediterranean. Learn to appreciate Mediterranean life. You may see salema, seabream, damselfish, wrasse, mullet, goatfish and blennies. Around rock, look for octopus. Around Posidonia, slow down. Juvenile life uses those meadows. You may encounter cuttlefish. Occasionally rays. Groupers become more realistic in better-protected or deeper areas, but do not arrive expecting a giant grouper beneath every rock because somebody’s tour website used one in a photograph. Wildlife does not have a contract with you. That is part of why seeing it means something.

Posidonia Is Not an Ugly Part of the Beach

I need an entire section for this. People complain about Posidonia washed onto beaches. They call it dirt. It isn’t.

Posidonia oceanica is a Mediterranean seagrass ecosystem.

Underwater meadows provide habitat and nursery areas and contribute enormously to coastal ecology. When you snorkel above healthy Posidonia, do not think:

“There is nothing here.”

Slow down. Look between the leaves. Life uses structure. That rule works everywhere.

Best Snorkeling in Northern Sardinia for Beginners

My three easiest recommendations are:

Lazzaretto.

La Pelosetta.

Mugoni.

Add Rena di Ponente or Levante after checking which side is calmer. Why these? Shore access. Shallow options. Easy retreat. No mandatory long offshore swim. Beginners do not need the most spectacular location. They need a place where they can relax. An anxious snorkeler sees bubbles inside a mask. A relaxed snorkeler sees fish.

Best Snorkeling for Children

Children should snorkel because they enjoy it. Not because a parent bought waterproof cameras. Use shallow, protected water. Stay close. Make the first session short. Let them stand up when possible. Do not immediately add fins if they are still learning mask breathing. And never assume a child who swims well in a pool understands open water. My choices:

Mugoni.

Lazzaretto.

La Pelosetta.

Rena di Ponente/Levante.

Cala Napoletana for confident older children after the access journey.

Best Snorkeling for Experienced Swimmers

Now we can talk.

Cala Spinosa.

Coscia di Donna.

Punta Tegge.

Razzoli by boat.

Asinara with an authorised operation.

The difference is not merely depth. It is your ability to evaluate conditions, enter and exit from rock, remain calm away from shore and know when to quit. Experience does not mean swimming farther. Experience means knowing when not to.

Snorkeling vs Freediving: They Are Not the Same Activity

Surface snorkeling is simple. Freediving is not simply snorkeling with extra confidence. Once you begin making repeated descents, extending breath holds and working depth, you are doing something that requires technique and safety discipline. I coach apnea. So listen carefully.

Do not train maximal breath holds alone.

Not in the sea. Not in a pool. Not because you have done them safely 50 times before. Shallow-water blackout does not care about your personal record. There is no medal at the bottom. There is only another ascent.

I Spearfish. Here Is Why That Does Not Belong in This Guide

People hear that I spearfish and immediately ask:

“Where are the fish?”

Everywhere. Wrong question. Spearfishing has its own regulations, safety requirements, protected zones, seasonal considerations and ethical responsibilities. Marine protected areas such as Capo Caccia, Asinara and La Maddalena regulate fishing and underwater activities separately. Capo Caccia’s 2026 system, for example, has specific authorisations even concerning transport of spearfishing equipment within the protected-area framework. So I will not mix recreational snorkeling with fishing instructions. That deserves another article. And another mindset. When I carry a snorkel, I can watch a grouper for ten minutes. When I carry fishing equipment, the relationship is different. Never confuse the two.

Snorkeling Inside Marine Protected Areas: Check Before You Enter

Northern Sardinia contains several different protected-area systems. That means there is no single sentence saying:

“Snorkeling is allowed everywhere.”

At Capo Caccia–Isola Piana, the 2026 disciplinary framework regulates swimming, apnea, diving and other marine activity by zone. At Asinara, the Park publishes an annually updated discipline and in 2026 lists exact sites for guided underwater activities and snorkeling. At La Maddalena, underwater activities, access and some particularly sensitive terrestrial/marine areas are regulated, with the Park also publishing an updated list of authorised dive centres for 2026. Rules change. Nature changes. Read the current Park website. I do. So should you.

Guided Snorkeling: When It Is Worth Paying

For a sheltered cove like Lazzaretto? A competent swimmer can easily enjoy it independently. For Asinara? Guide. For a first boat outing in La Maddalena? Guide. For Caprera when you do not understand Park geography? Guide. For somebody who has never worn a mask? An instructor can turn a frustrating first hour into a lifelong hobby. Useful current options include: Capo Galera Diving Center near Alghero, which offers snorkeling both directly in the bay and by boat. La Maddalena diving ASD at Punta Tegge, which runs daily snorkeling excursions and provides mask, fins and snorkel, with wetsuits available on request. Scuba Revolution Sardinia organises dedicated Caprera snorkeling trips from Cannigione. For Asinara, use the Park’s own 2026 list of authorised operators rather than choosing solely from advertisements. That is how I would book.

What Snorkeling Gear Do You Actually Need?

People love equipment because equipment can be purchased. Skill takes longer. You need a mask that fits. That is number one. Put it against your face without using the strap and inhale gently through your nose. If it seals comfortably, good. A snorkel. Simple is fine. Fins that fit. Not too loose. Not painfully tight. For rocky entries I like suitable footwear. A thin wetsuit can make long sessions much more comfortable outside peak summer, and even in summer for people who get cold. Then protection from the sun. Your back will spend a long time facing upward. The Mediterranean sun understands this opportunity.

Full-Face Snorkeling Masks?

I prefer a traditional mask and separate snorkel. Especially for anybody doing anything beyond gentle surface observation. Traditional equipment is simpler to clear, easier for me to supervise and appropriate for moving into freediving technique later. If you use a full-face product, follow the manufacturer’s intended use carefully and do not treat it as freediving equipment.

Fins or No Fins?

Beginners in very shallow protected water? Optional. Everybody going farther? I prefer fins. But fins create false confidence. You can travel farther. That means you can also become tired farther away. The best fin technique looks boring. Small movements. Relaxed. Efficient. People kicking like they are escaping a shark waste oxygen and frighten everything they hoped to see.

Best Time of Day for Snorkeling in Northern Sardinia

Early morning often wins. Less boat traffic. Fewer swimmers. Less wind on many summer days. Better parking. Calmer mind. Midday gives stronger light penetration and spectacular colour when the sea is flat. But summer heat becomes serious. Late afternoon can also be excellent, especially in sheltered locations, but never forget the return. Light falls. Energy falls. Wind can rise. I start thinking about the exit before other people think about one more dive. That is why I still have respect for the sea after thousands of hours in it.

Best Months for Snorkeling

June is excellent. Water improving. Long days. Less chaos. July is warm and reliable. More people. August gives warm water and maximum traffic. You need more awareness around boats.

September is my favourite.

Warm sea. Fewer people. Good light. The first half especially. October can be beautiful. Or not. That is the sea. In spring I use a wetsuit. I do not consider shivering evidence of masculinity. Cold makes you worse.

Maestrale: When to Change Spots

Northern Sardinia is not one single coastline. That saves your holiday. When the maestrale blows, the exposed side may become useless for snorkeling while another bay remains far better protected. Do not say:

“But we planned Cala Spinosa today.”

Plans are paper. Water is real. Check the sea. Move. At Capo Testa the ability to choose between differently oriented beaches can be particularly useful. At Porto Conte, Mugoni may offer better protection than exposed western sites. Sometimes the best snorkeling skill is getting back into the car.

When I Refuse to Enter

Bad visibility plus moving water. Shore break I do not like. Exit worse than entry. Thunderstorm risk. Boat traffic I cannot control. I am exhausted. I am sick. My ears will not equalise. Something feels wrong. That last one matters. You do not always need a courtroom case explaining why you did not go in. The sea will still be there.

What If You See a Jellyfish?

First: do not panic. Most encounters amount to seeing one and changing direction. Do not deliberately touch it. Do not let children poke it because “it looks dead”. Detached tentacles can remain capable of stinging. If jellyfish are numerous, I find somewhere else to swim. Northern Sardinia has enough coastline. There is no reason to prove a point.

What If You See an Octopus?

Congratulations. Watch it. Do not reach into the hole. Do not pull it out. Do not surround it with six GoPros. An octopus changing colour while it thinks you have not noticed it is one of the best things you can see in shallow Mediterranean water. Let the moment remain good.

Are There Sharks in Sardinia?

Of course there are sharks in the Mediterranean. That does not mean a tourist snorkeling at Lazzaretto should spend the morning terrified of being eaten. The risks I care about far more are: boats, sun, poor swimming ability, waves, currents, bad entries, bad exits, fatigue, and overconfidence. People fear dramatic things. They ignore ordinary things. The ordinary things hurt more people.

Snorkeling Emergency: What Number Should You Know?

For a maritime emergency in Italy, Guardia Costiera 1530 is the dedicated sea-emergency number. Also remember 112, the European emergency number. But prevention is better. I am a lifeguard. My favourite rescue is the one I never have to make.

My Perfect Three-Day Northern Sardinia Snorkeling Trip

If somebody who genuinely loves the water came to visit me, I would do this.

Day one: Alghero.

Lazzaretto early. Then Capo Galera or Porto Conte with a professional if they want something more advanced.

Day two: Stintino and Asinara.

La Pelosetta for a warm-up. Then an authorised Asinara excursion with proper snorkeling stops.

Day three: Gallura / La Maddalena.

If staying on land, Cala Spinosa in perfect conditions. If we have a boat and weather is good, Spargi and Razzoli. Three days. Three different underwater landscapes. Enough. Do not collect snorkeling sites like supermarket points. Spend time in the water.

Northern Sardinia Snorkeling FAQ

Where is the best snorkeling in Northern Sardinia?

My top choices are Cala Spinosa, the Asinara Marine Protected Area, Cala Napoletana, Cala Coticcio, Cala Corsara and Razzoli. Beginners should start with Lazzaretto, La Pelosetta or Mugoni.

Is La Pelosa good for snorkeling?

It has excellent visibility and easy shallow water, but much of the seabed is sandy. For more varied snorkeling I prefer nearby La Pelosetta.

What is the best snorkeling near Alghero?

Start with Lazzaretto and Capo Galera. Porto Conte offers additional sheltered opportunities, while the Capo Caccia marine area becomes much more interesting for guided diving and advanced underwater exploration.

What is the best snorkeling near Stintino?

La Pelosetta is easiest. Cala Coscia di Donna is more interesting for confident swimmers. For the best protected experience, visit Asinara with an authorised operator.

Can you snorkel at Asinara?

Yes, under the Marine Protected Area’s rules. The official 2026 discipline identifies specific snorkeling and underwater-visit sites including Punta Trabuccato and Reale.

Can you snorkel at Cala d’Arena on Asinara?

No. The Park identifies Cala d’Arena as an integral reserve where access and bathing are prohibited.

Is Cala Spinosa good for snorkeling?

Excellent. Its rocky seabed, crevices and clear water make it one of my favourite shore-access snorkeling sites in Northern Sardinia.

Is La Maddalena good for snorkeling?

Very. Granite, clear water and numerous islands make the archipelago one of Northern Sardinia’s strongest snorkeling areas. Sites range from shore-access Punta Tegge to boat destinations such as Spargi and Razzoli.

Can you snorkel at Cala Coticcio?

The marine environment is exceptional, but Cala Coticcio lies in a highly protected part of Caprera. Land access is controlled through authorised environmental guides and current Park procedures should always be checked before visiting.

Can children snorkel in Northern Sardinia?

Yes. Mugoni, Lazzaretto, La Pelosetta and sheltered areas around Rena di Ponente/Levante are good places to begin, with direct adult supervision.

Do I need fins?

Not for very shallow beginner snorkeling, but they make longer swims much more efficient. They should not encourage you to swim farther than your ability allows.

Do I need a wetsuit in Sardinia?

In July and August many people do not. In June, September or for long sessions, a thin wetsuit can significantly improve comfort.

Is September good for snorkeling in Sardinia?

For me, September is probably the best month. The water remains warm while beaches and boat traffic generally become less intense.

Should I snorkel alone?

For casual shallow observation close to shore, circumstances vary, but I strongly advise against solo breath-hold diving or extended open-water snorkeling. Freediving should be performed with a trained buddy system.

Can I touch marine animals while snorkeling?

Don’t. Observation is the point.

Is Posidonia dangerous?

No. Posidonia oceanica is a vital Mediterranean marine plant ecosystem and habitat, not something snorkelers should avoid because it looks like grass.

Final Thoughts: The Best Snorkeler Is Usually the Quietest One

I have spent most of my life either in water or looking at it. Swimming. Rescuing people. Teaching children. Teaching adults who were more frightened than the children. Surfing. Diving with tanks. Diving without them. Fishing. Training apnea. And there is one thing that keeps becoming clearer. The sea rewards calm people. Not brave people. Calm people. Bravery is useful sometimes. Ego rarely is. A good snorkeler does not need to touch anything. Does not need to dive deeper than the person beside him. Does not need to prove he can stay down for two minutes. Does not need to swim around the headland because somebody said the best cave is there. He looks. He breathes. He waits. He knows where the shore is. He notices when the wind changes. He turns around with enough energy left. That is experience. I have faith. And I thank God often for the sea I was lucky enough to grow up beside. But every time I enter it, I know something else too.

It was not made for me. I am a guest. Behave like one.