Reviewed · SETUBAL & ARRABIDA COAST TOURS

Sesimbra: Secret Bays and Beaches Boat Tour with Snorkeling

5.0 · 146 reviews 2.5 hours From $58 Operated by Blue Coast Tours Sesimbra · Bookable on GetYourGuide
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Crystal water is the main character here. This is a 2.5-hour boat trip from Sesimbra that strings together secret bays and sea caves, with snorkeling time in Parque Marinho Professor Luiz Saldanha, guided by crews that have included Marco and Vanessa (among others). I love how the stops feel unhurried and nature-first, and I also like that you get real hands-on help with gear and marine-life spotting. One thing to plan for, though, is sun, there is basically no shade on the boat.

Because the group is capped at 8 people, the experience stays calm and easy to manage, even when everyone is hopping in and out of the water. You’ll also get a regional drink and a wine tasting moment during the longer beach break, which makes the trip feel a bit like a coastal hangout, not just a quick sightseeing loop. If you hate the sun or want long beach lounging time, you might find the swims and breaks a little too short.

Key Takeaways Before You Go

Sesimbra: Secret Bays and Beaches Boat Tour with Snorkeling - Key Takeaways Before You Go

  • Small group, big views: Limited to 8 participants, so it feels personal and not crowded.
  • Snorkeling with provided gear: Life jackets and snorkeling equipment are on board, plus guided marine-life viewing.
  • Caves and cliffs up close: The boat routes through protected bays with sea caves and rock formations.
  • Wild beaches, short-and-sweet stops: You get time to swim and explore, but not hours.
  • Local wine on the water: A regional drink is included, and wine tasting happens at Baleeira.

Sesimbra’s Coast Works for Boats

Sesimbra: Secret Bays and Beaches Boat Tour with Snorkeling - Sesimbra’s Coast Works for Boats
Sesimbra sits in the Lisbon District, but it feels like it belongs to the sea more than the city. The coastline is rugged, with cliffs dropping toward calm-looking coves that are perfect for a boat day. This tour leans into that setting, focusing on bays, secret beaches, and clear water instead of a long list of landmarks.

What you get is a trip that changes every few minutes. One minute you’re riding across glassy water, then you’re near a cliff line with caves and rock faces, then you’re back in a bay where the water is calm enough for swimming. It’s a great format if you want the ocean to be the main attraction, not just something you drive past.

Also, the timing matters. With a 2.5-hour duration, you get multiple swim moments and several beach breaks without feeling like you lost half a day. It’s also a smart move if your Lisbon plans include other neighborhoods, since Sesimbra is close enough to slot in a short adventure.

Blue Coast Tours Sesimbra: Small Group Comfort and Crew Focus

Sesimbra: Secret Bays and Beaches Boat Tour with Snorkeling - Blue Coast Tours Sesimbra: Small Group Comfort and Crew Focus
You meet the team at Blue Coast Tours Sesimbra, and there’s no hotel pickup included. So you’ll want to plan to arrive on your own, then check in at the shop meeting point.

Once aboard, the vibe is practical. Life jackets are provided, and snorkeling gear is ready for you. Because the group is limited to 8 participants, you’re less likely to feel rushed when it’s time to get in the water. You also tend to get more attention from the crew if you need help adjusting the snorkel or finding your footing when boarding again.

The crew also clearly works on two fronts at once: sailing and explaining. They share information about local ecology, marine life, and points of interest along the way. In the guide mixes people have referenced, names like Marco, Vanessa, Jorge, Marcos, Catarina, and Andre come up, and the common thread is friendly, helpful service that makes beginners feel comfortable.

One practical warning from real-world experience: there is no shelter from the sun. So even if the water looks inviting, you’ll want to dress like you’re going to be outside for a while.

What You Actually Do for Snorkeling Time

Sesimbra: Secret Bays and Beaches Boat Tour with Snorkeling - What You Actually Do for Snorkeling Time
This tour is not just a drive-by view. You get the chance to swim and snorkel at a marine area called Parque Marinho Professor Luiz Saldanha, with the snorkeling equipment provided on board. That’s the heart of the experience for many people because it turns the coast into something you can see from both above and below.

Here’s how it usually feels on a trip like this. The crew stops in spots where the water is clear enough to make snorkeling worthwhile, then you gear up, enter the water, and spend time watching fish and the underwater scenery. They also point out marine life and help with the timing, so you aren’t stuck guessing when to jump in.

You should expect that snorkel time is limited by the schedule, not because the crew isn’t trying. The stops are spread across multiple beaches and bays, each with a set break window. So it helps to go in with the right mindset. Think of snorkeling as a rewarding session inside a fun, moving route, not as a long, uninterrupted underwater adventure.

If you get seasick easily, you’ll still want to be cautious, but the itinerary is built around calmer bays and protected areas. You’ll also be doing most of your time near the coast, which can help you stay oriented visually.

Stop 1, Praia da Cova: Photo Stop Plus a First Taste of the Cliffs

Sesimbra: Secret Bays and Beaches Boat Tour with Snorkeling - Stop 1, Praia da Cova: Photo Stop Plus a First Taste of the Cliffs
The day starts with a stop at Praia da Cova, with about 30 minutes built in for a mix of photo time, guided touches, and scenic cruising. This is your “wake up and orient yourself” moment on the water.

Why this stop matters: it gives you a quick preview of what the coastline is about. Expect cliff edges, protected water, and those sudden pockets of calm that make Sesimbra feel secret even though it’s not far from the city. The boat cruise component also means you’re not stuck waiting around. You get moving views right away.

Practical angle: use this first stop to get your swimsuit situation sorted, apply sunscreen early, and take photos before the sun angle gets too high. Since there’s no shelter, early coverage helps.

Stop 2, Ribeiro do Cavalo Beach: A Proper Break for Walking and Getting Wet

Sesimbra: Secret Bays and Beaches Boat Tour with Snorkeling - Stop 2, Ribeiro do Cavalo Beach: A Proper Break for Walking and Getting Wet
Next up is Ribeiro do Cavalo Beach, also with about 30 minutes. This stop includes a chance to walk, swim, snorkel, and do marine-life viewing, plus scenic time on the approach.

This is the sort of beach stop that feels more like a mini experience than a quick cameo. You’re not just dropping anchor and jumping in. You get enough time to breathe, take in the shoreline, and then choose how much energy you want to spend in the water.

If you want a balance of beach and snorkeling, this is one of the best windows of the tour. The name comes with its own reputation in the area for coastline character, and in practice it’s the kind of stop where you can go from land photos to watery watching without feeling rushed.

One drawback to keep in mind: 30 minutes goes quickly once you factor in getting in the water, adjusting gear, and then drying off. So if you’re planning to do both walking and snorkeling, aim to move smoothly the first time so you don’t lose your best underwater window.

More Portuguese water, engine low:

Stop 3, Praia da Mijona: Another Swim and Another Viewpoint

Sesimbra: Secret Bays and Beaches Boat Tour with Snorkeling - Stop 3, Praia da Mijona: Another Swim and Another Viewpoint
Praia da Mijona comes next, again with about 30 minutes. Like the earlier stops, you’ll get photo moments, guidance, free time, swimming, snorkeling, and marine-life viewing.

This is a good stop if you want variety without changing the whole day. After Ribeiro do Cavalo, Praia da Mijona gives you a new angle on the cliffs and sea patterns. In a short tour, variety is the difference between feeling like you repeated the same scene and feeling like you got a mini route of distinct spots.

What I like about this segment for you: it gives you a second and third chance to snorkel. If you’re a first-timer and your timing or buoyancy is a little off, this is where you can refine it. If snorkeling already feels easy, you can focus on watching fish and exploring what the water is showing.

Stop 4, Inferno Beach: Quick Timing, Fast Photos, and a Short Swim

Sesimbra: Secret Bays and Beaches Boat Tour with Snorkeling - Stop 4, Inferno Beach: Quick Timing, Fast Photos, and a Short Swim
Inferno beach is a shorter stop, about 20 minutes. You’ll get photo time and free time with swimming and snorkeling included, plus some marine-life viewing.

This is the segment that requires a “make it count” mindset. With less time on shore and less time in the water, you’ll need to choose your top priorities quickly. If you want longer snorkeling, arrive ready and minimize extra fussing with gear.

The upside is energy. Short stops like this keep the tour from dragging, and they let the captain keep the route moving through different bays and coastline formations. You still get the thrill of secluded-feeling beach access, just in a tighter package.

Also, for people who love photos, a shorter stop can be helpful because it forces you to focus on the best angles and capture them before you lose the moment.

Stop 5, Baleeira Bay and Beach: Wine Tasting and the Longest Break

Sesimbra: Secret Bays and Beaches Boat Tour with Snorkeling - Stop 5, Baleeira Bay and Beach: Wine Tasting and the Longest Break
Baleeira is the final main stop, with about 40 minutes. This one is packed: guided touring, a boat cruise component, sightseeing, free time, swimming, snorkeling, and marine-life viewing, plus wildlife viewing. The big payoff here is wine tasting.

This is where the tour’s pacing really shifts from “activity sprint” to “coastal reset.” The extra time gives you room to do a proper beach moment. You can swim, then come up and relax, then go back in if you want one more look underwater. The longer break also makes it easier to soak up the surroundings without checking the clock the whole time.

The wine tasting is a nice touch because it feels local, and it adds a warm, human moment to a day that’s otherwise powered by salt air and moving water. Several people have highlighted the inclusion of local wine during the trip, and this stop is where that local flavor shows up.

If you’re someone who gets hungry after being in the sun, keep expectations realistic: food and extra drinks beyond what’s included are not part of the package. So plan to have a snack strategy outside the tour if that matters to you.

On Board: The Rhythm of Sailing, Cave Views, and Marine Talk

Sesimbra: Secret Bays and Beaches Boat Tour with Snorkeling - On Board: The Rhythm of Sailing, Cave Views, and Marine Talk
Between stops, the boat is doing the important work, showing you the jagged coastline, sea caves, and unique rock formations from the water. Those views are part of the value here. You get angles you simply cannot replicate from shore in the same time window.

The crew also shares info about local ecology and points of interest along the way. You might find yourself paying attention to details you would normally overlook, like where marine life tends to show up and how coastal conditions shape what you see. It’s not presented like a lecture. It’s more like practical guiding that helps you understand why the captain chose certain bays.

This is also where the tour feels different from many quick “see the coastline” boat rides. The focus stays on water experience, not just passing scenery. The included regional drink and the wine tasting turn the overall flow into something more memorable than a checklist.

What’s Included, What Isn’t, and What to Bring

Included:

  • Local tour guides
  • Life jackets
  • Snorkeling gear
  • Boat tour
  • Regional drink

Not included:

  • Hotel pickup and drop-off
  • Food and drinks

So yes, you’ll get a drink, but you’re still responsible for bringing the basics you need for a comfortable swim day.

What to bring:

  • Sun hat
  • Swimwear
  • Towel
  • Sunscreen
  • Comfortable clothes

I’d add one practical tip: pack your sunscreen early. Since there’s no shade, you’ll be happier if you do it before you’re already hot and salty. Also bring a towel you don’t mind getting wet and sandy.

If you hate getting sandy, use a dry bag or keep your personal items in a sealed bag. The tour includes swimming and beach time, so sand transfer is basically part of the deal.

Price and Value: Why $58 Often Feels Fair Here

At $58 per person for about 2.5 hours, this is positioned as a value-forward activity. The math works because you’re paying for more than a ride. You’re paying for multiple beach stops, guided time, snorkeling gear, and an included drink, plus the small-group cap that helps the crew manage everyone safely and comfortably.

In other words, you’re not just buying scenery. You’re buying structure. The route gives you several chances to swim and snorkel, and the guide adds context while keeping the pace relaxed.

Where the price might not feel like a win is if you’re the type who wants long beach time or a full meal. Food and drinks beyond what’s included aren’t part of the package, and some stops are short, especially Inferno beach at 20 minutes.

For most people who want an active, scenic coastal experience without dealing with a complicated day plan, $58 for a guided, gear-included boat tour can feel like a solid deal.

Who This Tour Suits Best (And Who Might Skip It)

This is a strong match if you:

  • Want crystal-clear water and real snorkeling time
  • Like boats that focus on coves, caves, and coastline views
  • Prefer a small group setting and friendly guiding
  • Appreciate local touches like a regional drink and wine tasting

You might skip or pair it differently if you:

  • Need lots of shade, because the boat has very little protection from the sun
  • Want a full beach day with long lounging, because the tour is built around short stops
  • Are looking for a food-focused excursion, because only a regional drink is included and food is not

This tour also makes sense for couples and small groups, since the intimacy helps everyone hear the guide and move through the swim stops without chaos.

Should You Book This Sesimbra Snorkeling Boat Tour?

My take: book it if you want a short, active coastal day that spends real time on the water and in the sea. The combination of secret bays, sea caves, guided marine-life viewing, and provided snorkeling gear is what makes it click. Add the regional drink and the wine tasting at Baleeira, and it feels like a real experience rather than a quick tour you forget.

Hold off if you’re sun-sensitive, hate quick beach stops, or you want a meal included. Also consider timing. With no hotel pickup, you’ll want to make sure you can reach Blue Coast Tours Sesimbra smoothly.

If you’re ready for salt air, a little outdoor time, and the kind of coastline views you can’t get from a street-level viewpoint, this is an easy yes for a Lisbon area add-on.

FAQ

How long is the Sesimbra secret bays and beaches boat tour?

The tour lasts 2.5 hours.

How much does it cost?

It costs $58 per person.

What is included in the price?

The price includes local tour guides, life jackets, snorkeling gear, the boat tour, and a regional drink.

Is hotel pickup and drop-off included?

No, hotel pickup and drop-off are not included.

What is the meeting point?

Meet your guide at Blue Coast Tours Sesimbra.

What should I bring?

Bring a sun hat, swimwear, a towel, sunscreen, and comfortable clothes.

What languages do the guides speak?

The live tour guide offers Portuguese, Spanish, English, and French.

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