Sesimbra: Secret Bays and Beaches Boat Tour with Snorkeling

Sea caves and clear water make this coast special. The small group of up to eight keeps the outing friendly and personal, while the boat reaches beaches and coves that are harder to visit from land. I especially like the mix of sightseeing, swimming, and snorkeling, plus the chance to see marine life inside Parque Marinho Professor Luiz Saldanha.

I also like the crew’s flexible, welcoming approach. Guides such as Marco, Vanessa, Jorge, Marcos, Catarina, Andre, and George have been praised for explaining the coast, helping people on and off the boat, and even taking photos. The main drawback is simple: there is little shade on the boat, and the swimming stops can feel short if you want a long, lazy beach day.

Key points to know before booking

• Up to eight people: This is a small boat outing, not a crowded coastal cruise.
• Five coastal stops: You visit Cova, Ribeiro do Cavalo, Mijona, Inferno, and Baleeira.
• Snorkeling equipment included: You can swim and look for marine life without bringing your own gear.
• Only 2.5 hours: The pace is active, with short stops rather than extended time at one beach.
• A regional drink is included: Some outings feature local wine or another Portuguese drink.
• Bring serious sun protection: A hat, sunscreen, towel, swimwear, and comfortable clothes are essential.

Why Sesimbra is best seen from the water

Sesimbra sits on Portugal’s Lisbon District coast, where steep cliffs meet small beaches and sheltered bays. From town, you can see only part of the coast. A boat gives you a better view of the rock walls, sea caves, narrow coves, and beaches tucked below the cliffs.

This is not a standard beach transfer. You spend part of the trip cruising slowly along the shore, part swimming or snorkeling, and part looking into places that are difficult to reach on foot. The water is described as calm and clear, especially in the protected bays, which helps make this a pleasant first snorkeling outing for many people.

The boat leaves from Blue Coast Tours Sesimbra. Before departure, the crew gives safety instructions and explains the route. That short briefing matters because the day includes swimming from the boat, getting on and off near a beach, and moving around a small vessel.

The group limit of eight is a real advantage. The crew has more time to answer questions, point out rock formations, and help you feel comfortable in the water. It also means the experience is less anonymous than a large sightseeing boat.

Cova Beach sets the tone

Praia da Cova is one of the first major stops. You can expect a photo break, a short guided look at the coast, and time for boat-based snorkeling and marine-life viewing.

This stop works as an introduction to the area. You begin to see how quickly the scenery changes from open coastline to enclosed bays. The water, rock formations, and cliffs provide the first strong photographs, while the snorkeling gives you an early chance to test the equipment.

I would not expect a long beach visit here. The full tour lasts only 2.5 hours, so the early stops are partly about seeing the coast from the boat. If you want a quiet swim with no schedule, this outing may feel brisk. If you want variety, Cova gets the trip moving quickly.

Ribeiro do Cavalo brings the famous beach views

Ribeiro do Cavalo Beach is one of the most appealing stops on the route. You have time for photographs, a short walk, swimming, snorkeling, and free time on or near the beach.

The attraction is the setting. The beach is backed by rugged cliffs and reached as part of a coastal boat journey, giving you a view that is different from simply arriving by land. The crew can also explain points of interest along the way, so the stop is more than a quick photo pause.

This is one of the places where a towel becomes useful. You may get out to explore the sand, but the visit remains limited by the overall schedule. Some people will wish the swimming stops lasted longer. I would think of Ribeiro do Cavalo as a compact taste of a wild beach, not a full afternoon by the sea.

The beach can also be a good place to pause between active water sessions. You can swim, snorkel, walk, or simply look back toward the cliffs. That choice is valuable for couples or small groups with different energy levels.

Mijona offers another calm-water stop

Praia da Mijona, also called Cova de Mijona, follows with another break for photos, swimming, snorkeling, and free time. The route gives you a second chance to get into the water if conditions or confidence were not right at the first stop.

This kind of repetition is useful. You are not depending on one single swim to make the tour worthwhile. You can compare the character of different bays, watch for marine life, and enjoy the coast from several angles.

The calm water is one of the strongest reasons to choose this trip instead of a rougher open-sea excursion. Still, the sea is not a swimming pool. Conditions can affect how long the boat stays in one place, and the crew’s instructions should guide when and where you enter the water.

Snorkeling gear and life jackets are provided. Bring your own towel and sunscreen, and wear swimwear under comfortable clothes so you can change activities without fuss.

Inferno Beach keeps the route moving

Inferno Beach is a shorter stop, listed at about 20 minutes. You can take photographs, swim, snorkel, and look for marine life, but you should expect a quick visit.

That shorter timing helps explain the character of the entire outing. This is a sampler of Sesimbra’s coast, with several different settings packed into one boat ride. You are not meant to settle into one bay for an hour.

Inferno is especially useful for people who want more than scenery. The combination of swimming and snorkeling means you remain active instead of sitting on the boat for the whole trip. If you prefer a slower pace, use the cruising sections to rest and enjoy the cliffs.

Baleeira is the final full stop

Baleeira Bay and Beach receive the longest scheduled visit, about 40 minutes. You can expect a beach visit, sightseeing, swimming, snorkeling, marine-life viewing, and a regional drink.

The longer stop gives you more room to choose how to spend your time. You might swim, stay on the beach, take photos, or simply enjoy the final bay before returning to Sesimbra. The regional drink adds a pleasant Portuguese touch, and several outings have included local wine or a similar drink on board.

This is also a good point to take stock of the day. You have seen several bays, viewed caves and unusual rock formations, and had more than one chance to get into the water. The trip ends with a final coastal cruise and panoramic views before the boat returns to Blue Coast Tours Sesimbra.

Do not confuse the drink with a meal. Food and other drinks are not included, so eat before departure or make plans for after the boat ride.

Snorkeling is a real part of the trip

The snorkeling is not just a footnote. It takes place in the clear waters around the marine park, with equipment supplied on board. Several outings have included two good chances to snorkel, along with one opportunity to get out and spend time on a beach.

You may see fish and other marine life in the protected bays. The crew also explains local ecology and points of interest, which gives the swimming stops more meaning than simply jumping overboard.

The guides’ attitude seems important here. People have praised the crew for giving swimmers room to explore while still helping anyone who feels uncertain. They also help with boarding and leaving the boat, a small service that becomes especially welcome after swimming.

You should be comfortable in the water, but you do not need to arrive as an expert snorkeler. Life jackets are included, and the crew provides safety guidance. If you dislike swimming from a boat or need long, shallow-water access, this may not be your ideal activity.

The crew shapes the experience

A good coastal trip depends heavily on the crew, and this tour appears to put real effort into the human side of the outing. Marco and Vanessa have been singled out for friendly service and clear explanations. Jorge and Marcos have also been praised for making people comfortable and sharing local information.

Catarina and Andre were credited with creating special moments, while George’s ability to speak several languages helped groups from different countries follow the tour. The listed languages are Portuguese, Spanish, English, and French, though the exact guide may vary by departure.

The guides may also take photos for the group. That is handy because a small boat is not the easiest place to keep your phone safe while swimming. Still, protect your belongings carefully, since the tour information does not promise dry storage.

The best part of the service is its relaxed feel. Some outings continued even when only two people were booked, creating a private-tour atmosphere. You should not assume that will happen every time, but it shows the company’s effort to make the experience worthwhile.

What the $58 price delivers

At $58 per person, the tour offers a solid package for a 2.5-hour coastal outing. You receive the boat ride, local guides, life jackets, snorkeling equipment, access to several beaches and bays, and a regional drink.

The value improves if you want variety. Booking separate activities for the caves, beaches, and snorkeling would take more time and planning. Here, the route combines all three in one compact trip, with a group size capped at eight.

The value is less clear if your main goal is a long beach stay. The itinerary moves through five locations, and several stops are short. You are paying for access to the coast from the water and for the range of places visited, not for hours of lounging on one beach.

There is no hotel pickup, drop-off, or food included. That keeps the price focused on the boat experience, but you must arrange your own way to the meeting point and plan meals separately.

Practical advice for a smoother outing

Meet at Blue Coast Tours Sesimbra, the stated departure point. Check the available start times when booking and leave enough time to find the boarding location without rushing.

Bring:

• Swimwear
• A towel
• Sunscreen
• A sun hat
• Comfortable clothes

The lack of shelter is the most important practical warning. The sun can be strong on the water even when the air feels pleasant, so apply sunscreen before boarding and bring more for later if possible.

Wear clothing that allows easy movement around a small boat. Comfortable clothes matter when stepping on and off, walking briefly at a beach, or returning to the boat after swimming.

Free cancellation is available up to 24 hours before departure for a full refund. You can also reserve now and pay later, which helps if your Lisbon schedule is still changing.

Who will enjoy this boat tour most

I would recommend this outing to couples, friends, solo visitors, and families with older children who want an active coastal experience in a short window. It suits people who like seeing several places rather than spending a whole day in one location.

It is also a good choice if you are staying in Lisbon and want a nature-focused day beyond the city. The boat ride offers a different side of the Lisbon District, with cliffs, sea caves, beaches, and protected water instead of streets and monuments.

Snorkelers will get the most from it, but you do not have to spend every stop in the water. You can stay on the boat, take photographs, walk at the beach, or enjoy the views while others swim.

I would hesitate to recommend it to anyone wanting shade, a long meal, or an unhurried beach day. The boat has a schedule, the stops are compact, and the sun exposure is real.

Should you book the Sesimbra coast tour?

Yes, if you want an efficient mix of snorkeling, beaches, caves, and small-group service. The clearest strengths are the varied route, friendly guides, included equipment, and the chance to see parts of the Sesimbra coast that are difficult to appreciate from land.

Book it with the right expectations. Think of it as a lively 2.5-hour coastal sampler, not a full-day beach escape. Bring sun protection, accept that swimming time may be limited, and you are likely to find the $58 price fair for the access and variety.

FAQ

Where does the Sesimbra boat tour start?

The tour starts at Blue Coast Tours Sesimbra. Hotel pickup and drop-off are not included.

How long does the activity last?

The boat tour lasts 2.5 hours. The stops are relatively short because the route includes several bays and beaches.

How many people are in the group?

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

Which beaches and bays does the boat visit?

The route includes Praia da Cova, Ribeiro do Cavalo Beach, Praia da Mijona, Inferno Beach, and Baleeira Beach and Bay.

Is snorkeling equipment provided?

Yes. Snorkeling gear and life jackets are included.

Is swimming included?

Yes. The tour includes swimming opportunities at several stops, along with snorkeling and marine-life viewing.

What languages are available?

The live guides speak Portuguese, Spanish, English, and French.

Is food included?

No. Food and drinks are not included, although a regional drink is included as part of the activity.

What should I bring?

Bring a sun hat, swimwear, a towel, sunscreen, and comfortable clothes. There is no shelter from the sun, so preparation matters.