Reviewed · SNORKELING

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
Book on GetYourGuide →

Sesimbra’s best scenery is often seen from the water, not from the town beach. This 2.5-hour cruise takes you along rugged cliffs to Ribeiro do Cavalo, Frade’s Bay, Cova de Mijona, Inferno Beach, and Baleeira, with clear water, sea caves, and time to swim.

I like two things right away: the small group of no more than eight, which keeps the outing personal, and the mix of cruising, beach time, and snorkeling at the Professor Luiz Saldanha Marine Park. The guides, including Marco, Jorge, Vanessa, Catarina, and Andre on different departures, are praised for friendly help, local knowledge, and taking photos.

The main drawback is simple: this is a boat tour with several stops, so swimming periods can feel short. There is also little or no shade on board, so bring a hat, sunscreen, and water-friendly clothing.

Key points before you book

Sesimbra: Secret Bays and Beaches Boat Tour with Snorkeling - Key points before you book

  • Small boat, maximum eight participants: You get a more personal outing than on a large sightseeing vessel.
  • Five coastal stops: The route includes Cova Beach, Ribeiro do Cavalo, Mijona, Inferno, and Baleeira.
  • Snorkeling gear is provided: You can swim and look for marine life without bringing your own mask and equipment.
  • Wild beaches and sea caves: The focus is on rocky coves, cliffs, unusual formations, and beaches reached most easily from the sea.
  • A regional drink is included: Some departures feature a local wine or port-style toast on board.
  • Flexible booking: You can cancel up to 24 hours ahead for a full refund and reserve now while paying later.

Why Sesimbra is best seen from a small boat

Sesimbra: Secret Bays and Beaches Boat Tour with Snorkeling - Why Sesimbra is best seen from a small boat

Sesimbra sits on Portugal’s Setúbal coast, where the shoreline quickly changes from town waterfront to steep cliffs, narrow coves, caves, and beaches with no easy road access. From land, you can reach some viewpoints and beaches, but a boat gives you the full shape of the coast.

The water is the star here. The trip begins in clear, calm conditions when possible, and the boat moves close enough to the cliffs for you to see rock formations and openings along the shore. The guides also explain local ecology, marine life, and points of interest, giving the scenery some context rather than treating the ride as a simple transfer between swim stops.

I especially like the scale of this experience. With only eight places, the crew can help you on and off the boat, suggest good spots for snorkeling, and take group photos. Several departures have been led by two-person crews, including Marco and Vanessa, Jorge and Marcos, and Catarina and Andre. Exact crew members can vary, but the setup remains the same: a local guide and sailor working closely with a small group.

More Boat Tours in Lisbon

Starting at Blue Coast Tours Sesimbra

Sesimbra: Secret Bays and Beaches Boat Tour with Snorkeling - Starting at Blue Coast Tours Sesimbra

You meet the team at Blue Coast Tours Sesimbra, the stated starting and finishing point. Hotel pickup and drop-off are not included, so you need to make your own way to the boarding point.

Before leaving, the crew gives safety instructions and explains the route. That briefing matters because the day includes time on a moving boat, swimming, snorkeling, and getting off at a wild beach. You should arrive ready to listen, especially if you are not used to small-boat trips.

The tour is offered with live guiding in Portuguese, Spanish, English, and French. The language range is useful for mixed groups, and one guide, George, was specifically praised for speaking several languages. Still, it is wise to check the language offered at your chosen departure when booking.

Cova Beach and the first look at marine life

Sesimbra: Secret Bays and Beaches Boat Tour with Snorkeling - Cova Beach and the first look at marine life

Praia da Cova is listed as the first main stop, with about 30 minutes for a photo stop, guided sightseeing, boat cruising, snorkeling, and marine-life viewing. It gives you an early taste of the coast before the more extended beach and swimming portions.

This part of the route is less about settling in on sand and more about seeing the water and shoreline from different angles. The boat can show you cliff faces, small openings, and rock shapes that are difficult to appreciate from a single viewpoint.

Snorkeling equipment is supplied, and the protected waters of the Professor Luiz Saldanha Marine Park are part of the appeal. The exact fish and water conditions will vary, but the activity is set up for looking below the surface rather than simply taking a scenic cruise.

Ribeiro do Cavalo, the main beach stop

Sesimbra: Secret Bays and Beaches Boat Tour with Snorkeling - Ribeiro do Cavalo, the main beach stop

Ribeiro do Cavalo Beach receives about 30 minutes, with time for a visit, a short walk, swimming, snorkeling, photographs, and a guided look at the area. This is one of the most anticipated sections because the beach has soft sand, clear water, and a more remote feel than Sesimbra’s urban shore.

Your time here is likely to be active rather than leisurely. You may get out, walk on the beach, swim, or use the mask and snorkel, but half an hour passes quickly once everyone is moving between boat, beach, and water.

The beach is also a good place to understand why a boat tour makes sense. The coast feels open and wild, while the cliffs frame the cove and limit the sense of development. If you want a long beach afternoon with a book, this is not that. If you want to step ashore at a striking coastal stop and then keep moving, it fits well.

More Snorkeling Trips in Lisbon

Praia da Mijona and Frade’s Bay

Sesimbra: Secret Bays and Beaches Boat Tour with Snorkeling - Praia da Mijona and Frade’s Bay

The next 30-minute stop is Praia da Mijona, also called Cova de Mijona in the route description. You can expect another photo opportunity, guided coastal viewing, free time, swimming, snorkeling, and a chance to look for marine life.

Frade’s Bay is also named among the places visited along the coast. The information does not assign it a separate timed stop, so think of it as part of the sailing route rather than a guaranteed long shore visit.

That distinction is useful when setting expectations. The tour covers several coves in a short period, and some are best viewed from the boat. You will see more of the shore than you could on foot, but you will not have unlimited time at every beach.

Inferno Beach and the value of variety

Sesimbra: Secret Bays and Beaches Boat Tour with Snorkeling - Inferno Beach and the value of variety

Inferno Beach has about 20 minutes in the schedule. It is the shortest stop, with time for photographs, swimming, snorkeling, marine-life viewing, and scenery.

A 20-minute pause can feel rushed, especially if you want to swim and put on snorkeling gear. On the other hand, the shorter stop keeps the route moving and allows you to see more of the coast in one outing.

This is one reason I would choose the tour for variety rather than for a single perfect beach. You get changing views, cliff walls, caves, and several swimming areas. The cost is less time in each place.

Baleeira Beach, the final longer stop

Sesimbra: Secret Bays and Beaches Boat Tour with Snorkeling - Baleeira Beach, the final longer stop

Baleeira Beach and Bay receive the longest scheduled stop, about 40 minutes. Along with sightseeing, swimming, snorkeling, and wildlife viewing, the itinerary includes a regional drink and time for a guided visit.

That final pause gives the trip room to slow down. After several short stops, you can settle into the water or simply enjoy the coastline from the boat. Some departures have included a local wine or port-style toast, which adds a pleasant Portuguese touch without turning the trip into a food tour.

Food is not included, so do not expect a meal. The included drink is a small part of the experience, best viewed as a social finish to a morning or afternoon on the sea.

Snorkeling in the Professor Luiz Saldanha Marine Park

Sesimbra: Secret Bays and Beaches Boat Tour with Snorkeling - Snorkeling in the Professor Luiz Saldanha Marine Park

Snorkeling is more than an optional extra on this trip. It is built into the route, with equipment provided and several chances to enter the water.

The marine park setting gives the activity a clear purpose: you are there to observe coastal marine life in a protected area. Conditions can change with weather and water clarity, so no operator can promise a particular number of fish or perfect visibility. Still, the repeated snorkeling stops make this a stronger choice for swimmers than a cruise that only offers sightseeing.

You should bring swimwear and a towel, and wear comfortable clothes for the boat. Sunscreen and a sun hat are essential. One useful warning from the practical side of the experience is that there is no shelter from the sun on board, so do not rely on finding shade during the cruise.

If you are not a confident swimmer, pay close attention to the safety instructions and use the provided life jacket as directed. The tour includes life jackets, but it is still a water activity, not a glass-bottom boat ride where you stay seated.

Guides who make the difference

Sesimbra: Secret Bays and Beaches Boat Tour with Snorkeling - Guides who make the difference

The crew is a major part of the experience. The names connected with recent departures include Marco, Vanessa, Jorge, Marcos, Catarina, Andre, and George, though you should not assume a particular guide will lead your trip.

The strongest pattern is practical friendliness. Guides have helped people get on and off the boat, offered to take photos, explained local ecology and coastal history, and pointed out good places to snorkel. That matters on a small vessel, where a calm and attentive crew can make the difference between feeling looked after and feeling left to manage everything yourself.

The guiding style also leaves room for quiet. You get information about the coast, then time to look, swim, or relax. That balance works well for couples, friends, and small families who want more than a narrated sightseeing loop.

What the $58 price means

At $58 per person, the tour is priced as a midrange short water activity rather than a simple harbor ride. You are paying for 2.5 hours on the coast, a small group limited to eight, local guides, the boat, life jackets, snorkeling equipment, and a regional drink.

The value improves if you plan to use the snorkeling time. Renting equipment separately, arranging a boat ride, and finding the remote beaches on your own would be difficult. The boat also lets you cover several coves in one outing instead of committing your whole day to one beach.

It is less compelling if you only want a long swim or a full beach day. The itinerary spreads time across five named stops, and some pauses last only 20 or 30 minutes. I see the price as good for a compact introduction to the Sesimbra coast, especially when the group is full and the weather allows all planned activities.

Who should book this Sesimbra boat tour

I would recommend it most to you if you want a mix of scenery and activity. It suits people who enjoy swimming, snorkeling, photographs, sea caves, and short visits to beaches that are hard to reach from shore.

It is also a strong option for couples and small groups. The eight-person limit creates a quieter feel, and the crew can give more direct help than a large boat operator usually can.

Families should consider the ages and swimming comfort of everyone in the group. The tour includes a boat, water entry, snorkeling, and beach access, but the supplied details do not promise a specific child age limit or special family equipment.

I would be more cautious if you dislike direct sun, get uncomfortable on boats, or want a slow, unstructured day at one beach. The crew keeps the route varied, which means regular movement and relatively short stops.

Practical details that matter

The activity lasts 2.5 hours, including the outbound cruise, coastal viewing, swimming stops, and return to Blue Coast Tours Sesimbra. Starting times depend on availability, so check the schedule rather than assuming a morning or afternoon departure.

Bring a sun hat, swimwear, towel, sunscreen, and comfortable clothes. Hotel transport is not included, and food and additional drinks are not included either.

The tour offers free cancellation up to 24 hours before departure for a full refund. You can also reserve now and pay later, which helps if your Portugal plans are still shifting.

Weather and sea conditions will affect how pleasant the day feels. The route is built around calm, clear water, but the coast is still a natural setting. If swimming and snorkeling are your main reason for booking, choose a time when you are comfortable with the forecast and confirm the departure remains available.

Should you book it?

Book this tour if you want to see Sesimbra’s cliffs, caves, and remote beaches while also getting into the water. The best reasons are the small eight-person group, several snorkeling chances, helpful multilingual guides, and a route that covers much more coast than a single beach visit.

Skip it if your priority is long, uninterrupted time on sand or guaranteed shade. For most people who want a lively but relaxed half-day on the water, $58 is a fair price for the amount of coastline and equipment included. Bring sun protection, accept that stops are brief, and you should get a memorable look at Sesimbra from its most revealing side, the sea.

FAQ

Where does the Sesimbra boat tour start?

The tour starts and finishes at Blue Coast Tours Sesimbra. You meet the guide at that boarding point.

How long does the activity last?

The boat tour lasts 2.5 hours.

How much does the tour cost?

The listed price is $58 per person.

How many people can join the tour?

The tour is a small-group activity limited to eight participants.

Which beaches and bays are visited?

The route includes Praia da Cova, Ribeiro do Cavalo Beach, Praia da Mijona, Inferno Beach, and Baleeira Beach and Bay. Frade’s Bay is also included among the coastal sights.

Is snorkeling equipment provided?

Yes. Snorkeling gear and life jackets are included.

Can I swim during the tour?

Yes. Swimming is scheduled at Ribeiro do Cavalo, Praia da Mijona, Inferno Beach, and Baleeira Beach, as well as during other water-based portions of the trip.

Is a drink included?

Yes. A regional drink is included. Some departures have featured a local wine or port-style drink.

What languages are available?

The live tour guide service is available in Portuguese, Spanish, English, and French.

What should I bring?

Bring a sun hat, swimwear, towel, sunscreen, and comfortable clothes. There is no hotel pickup or drop-off, and food and additional drinks are not included.

More like this

Snorkeling, compared.

The full Snorkeling list →
Glass Bottom Boat Tour with Snorkeling
★★★★★★★★★★4.7· 633 reviews· from $58

Glass Bottom Boat Tour with Snorkeling

Read our review →
Kayaking and Snorkeling Adventure
★★★★★★★★★★4.9· 538 reviews· from $82

Kayaking and Snorkeling Adventure

Read our review →
Ponta de São Lourenço Snorkeling Boat Trip
★★★★★★★★★★4.8· 199 reviews· from $41

Ponta de São Lourenço Snorkeling Boat Trip

Read our review →
Arrábida Beaches & Caves Boat Tour with Snorkeling
★★★★★★★★★★4.9· 191 reviews· from $58

Arrábida Beaches & Caves Boat Tour with Snorkeling

Read our review →
Kayak and Snorkeling Adventure in Lisbon
★★★★★★★★★★5.0· 146 reviews· from $54

Kayak and Snorkeling Adventure in Lisbon

Read our review →
Algarve Coasteering and Snorkeling Adventure
★★★★★★★★★★5.0· 126 reviews· from $76

Algarve Coasteering and Snorkeling Adventure

Read our review →
7 Valleys Hiking, Benagil Cave, & Snorkeling Tour
★★★★★★★★★★4.9· 123 reviews· from $57

7 Valleys Hiking, Benagil Cave, & Snorkeling Tour

Read our review →
Kayak and Snorkeling Tour in Underwater Nature Reserve Garajau
★★★★★★★★★★4.5· 111 reviews· from $59

Kayak and Snorkeling Tour in Underwater Nature Reserve Garajau

Read our review →
Scroll to Top

Explore Portugal

Pick a coast, a cellar or a cliff.