Sesimbra: Secret Bays and Beaches Boat Tour with Snorkeling

Sesimbra’s best scenery is often beyond the harbor, where cliffs fold into quiet coves and the sea turns clear enough to reveal fish below the boat. This 2.5-hour cruise takes you along that rugged coast, with time for swimming, snorkeling, short beach visits, and close views of sea caves.

I like the small group of up to eight, which gives the crew room to help you into the boat and water without making the outing feel crowded. I also like the mix of activity and calm: you can snorkel at Parque Marinho Professor Luiz Saldanha, then sit back with a regional drink as the cliffs pass by. The main drawback is sun exposure, since there is no shelter on the boat, and some swimming stops may feel brief.

Key points

• Small boat, maximum eight people: A more personal outing than a large coastal cruise.
• Several secluded coastal stops: See Ribeiro do Cavalo, Mijona, Inferno, and Baleeira.
• Snorkeling gear is supplied: Swim in the Professor Luiz Saldanha Marine Park and look for fish.
• Caves and cliffs are part of the show: The route includes close views of rock formations and sea caves.
• Guides add local detail: Guides including Marco, Vanessa, Jorge, Marcos, Catarina, and Andre have been praised for friendly help and area knowledge.
• Bring serious sun protection: Pack a hat, swimsuit, towel, sunscreen, and comfortable clothes.

A small boat into Sesimbra’s wild coastline

Sesimbra sits south of Lisbon on the Setúbal Peninsula, backed by the Serra da Arrábida hills and facing a coast marked by cliffs, caves, and small beaches. From town, the shore can look fairly ordinary. From the water, it becomes a string of sheltered bays and pale strips of sand that are difficult to reach by land.

That is the real point of this tour. You are not simply taking a harbor cruise. You are using a small boat to reach parts of the coast where the main attractions are the water, rock, and silence. The boat moves between named stops, but the route also gives you plenty of changing views along the way.

The experience is active without being demanding. You can swim, snorkel, walk on a beach, take photographs, or stay aboard and enjoy the ride. I would not choose it if you want a long beach day at one location. I would choose it if you want to see several coastal spots in one compact outing.

The price is $58 per person. For 2.5 hours, that is not the cheapest way to spend time by the sea, but the fee includes the boat, local guides, life jackets, snorkeling equipment, and a regional drink. The small group matters here. You are paying for access to a boat with room for only eight people, rather than just buying transportation from one point to another.

Meeting the crew at Blue Coast Tours Sesimbra

You meet the guide at Blue Coast Tours Sesimbra, the stated starting point in Sesimbra. 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 short briefing is useful because the day includes moving around a boat, getting in and out of the water, and possibly stepping ashore at a wild beach. Life jackets are provided.

The guiding team changes, but several names appear in the operating crew: Marco, Vanessa, Jorge, Marcos, Catarina, Andre, and George. I would not assume that one particular person will lead your departure, but the company offers live guiding in Portuguese, Spanish, English, and French.

The guides are a major part of the experience. Their role is not limited to steering the boat. They explain local ecology, marine life, and points of interest, help with boarding and swimming stops, and may take photographs for the group. That practical help makes a difference when you are wet, carrying a towel, or climbing back aboard from the sea.

Praia da Cova, the first look at the coast

The first listed stop is Praia da Cova, with about 30 minutes for a break, photographs, a guided look at the area, snorkeling, and marine-life viewing. It is a gentle way to begin because you can get used to the boat and the water before the longer beach stops.

The route itself is part of the attraction. The boat moves through clear water while cliffs and vegetation rise along the edge of the shore. Look for unusual rock shapes and openings in the cliffs. The crew may point out wildlife or explain what lives in the protected waters.

You should treat the snorkeling as a chance to see local sea life, not as a tropical reef excursion. The information supplied promises marine-life viewing and fish, and the water can be wonderfully clear, but visibility depends on the day. One recent outing took place under cloudy skies and still offered good views of fish and caves, so bright sunshine is not the only condition that can make the trip enjoyable.

Ribeiro do Cavalo Beach and the first real beach stop

Ribeiro do Cavalo is one of the best-known stops on this coast, and the tour allows about 30 minutes here. You may have time to walk on the sand, swim, snorkel, take photographs, and look back at the cliffs from the beach.

The appeal is the feeling of reaching a beach that is separate from the town. The sand and surrounding rock create a strong contrast with Sesimbra’s built-up waterfront. From a boat, you also get an angle that beach visitors do not: the full curve of the shore, the cliff face, and the water leading back toward the open coast.

Do not expect a long, lazy stay. Thirty minutes goes quickly once you have climbed ashore, taken photographs, entered the water, and dried off enough to return to the boat. I would see this as a concentrated stop rather than a full beach visit.

The boat’s crew can make the landing easier, especially if you are unsure about getting on and off. Wear something comfortable and keep your belongings secure. Salt water, wind, and a small boat are not a good mix for loose items.

Praia da Mijona and the rhythm of swim stops

Praia da Mijona receives another 30-minute stop, with time for photographs, swimming, snorkeling, and free time. By now you know the pattern: cruise through the coves, stop at a quiet stretch of coast, then choose your own pace in the water.

I like this structure because it keeps the outing from becoming a passive sightseeing ride. You are not looking at the sea from a seat for the entire 2.5 hours. You get several chances to enter it and see the cliffs from a lower angle.

The tradeoff is that the schedule is fairly full. One person specifically wished the swimming stops had lasted longer. If you need extended time in the water, this may feel rushed. If you prefer variety and want to sample several sites, the short stops work better.

Snorkeling equipment is included, so you do not need to bring your own mask and gear. You should still bring a towel, swimsuit, sunscreen, and a hat. The supplied equipment removes one packing problem, but it does not remove the need to prepare for sun, spray, and wet clothing.

Inferno Beach, a shorter stop with dramatic views

Inferno Beach is scheduled for about 20 minutes. That makes it the briefest stop, so I would think of it mainly as a scenic pause with the option to swim or snorkel, rather than a place to settle in.

The name suggests drama, and the coast here is defined by cliffs, rock formations, and sheltered water. The boat’s position lets you appreciate the shapes of the shore without having to walk along a rough coastal path.

A short stop can be useful late in the tour. You have already had time in the water, and another quick opportunity lets you choose between swimming, photographs, or simply staying aboard. If you are counting on every beach stop for a long swim, however, keep your expectations realistic.

Baleeira Bay and Beach, the longest final visit

Baleeira Bay and Beach receives the longest scheduled stop, about 40 minutes. The options here include sightseeing, a boat cruise, swimming, snorkeling, wildlife viewing, and a regional wine tasting.

This is a fitting final stop because it combines the main parts of the outing. You can go back into the water, take one more set of photographs, or stay aboard and enjoy a drink while the crew shares the last views of the coast. The wine is a regional drink included with the tour, and several outings also featured a small celebratory toast.

The drink is a pleasant local touch, but it should not be confused with a meal. Food and additional drinks are not included, so eat before the tour or plan accordingly. The supplied information does not describe onboard food service.

Baleeira is also where the small-group setup feels especially useful. You have more room to ask questions, get help with equipment, or ask the crew to take a photograph. The guides have been praised for making people comfortable in the water and helping them get on and off the boat.

Snorkeling in the Professor Luiz Saldanha Marine Park

The marine park is one of the strongest reasons to choose this tour over a simple sightseeing cruise. The protected area is associated with clear water and marine life, and the tour provides snorkeling equipment so you can see below the surface rather than only admire the coast from above.

You may see fish during the snorkeling stops, but conditions are never identical. Water clarity, sunlight, and sea movement can affect what appears below you. The company does not promise a particular species or a set underwater encounter, so I would approach this as a coastal nature outing rather than a specialist snorkeling expedition.

The crew’s local knowledge helps here. They choose places for swimming and snorkeling along the route, and they can point out marine life and explain the local ecology. Several guides have also been praised for giving people freedom during the snorkeling rather than rushing everyone through the same motions.

You should be comfortable in the water before booking. Life jackets are available, but this is still an activity built around swimming and snorkeling. If you prefer to remain dry, you can enjoy the scenery from the boat, but you will miss one of the tour’s main features.

Caves, cliffs, and the view from the water

The coastline includes sea caves and unusual rock formations. The boat can approach these features more closely than you can from a road or ordinary beach viewpoint, giving you a better sense of how the cliffs meet the sea.

The captain’s handling matters in these narrow coastal areas. A recent private departure was able to approach the caves closely, giving the couple an up-close view of the rock. Your exact route depends on sea and safety conditions, but the experience is designed around seeing the coast from different angles.

The scenery changes constantly. One moment you are looking at a small beach, and the next you are passing a cliff wall or entering a protected bay. I find that this variety gives the cruise its value. You are not paying for one postcard view. You are paying for a moving series of coastal scenes, with stops built into the ride.

What the $58 price really buys

At $58, this is best judged as a guided small-group activity rather than a basic boat transfer. The fee includes a 2.5-hour cruise, local guiding, life jackets, snorkeling gear, and a regional drink.

The limit of eight participants is the most important value point. A smaller boat can feel more personal, and the crew has a better chance of answering questions, helping with equipment, and taking photographs. Some departures may even operate with fewer people, though you should not book expecting a private tour.

The tour also packs several locations into one morning or afternoon. Reaching Ribeiro do Cavalo, Mijona, Inferno, and Baleeira independently would require more planning and, in some cases, access from the water. Here, the boat connects them in one route.

The limitations are clear. There is no hotel transport, food, or extra drinks. The stops are short, and there is no shelter from the sun. For me, the price works best when you value access, guiding, and variety more than long stretches of beach time.

Who will enjoy this Sesimbra boat trip

I would recommend this experience to couples, families with confident swimmers, and solo visitors who want a social but small-scale outing. It also suits anyone staying in Lisbon who wants a strong coastal experience without committing to a full-day excursion.

It is a good choice if you enjoy:

• Swimming and snorkeling in open coastal water
• Photographing cliffs, caves, beaches, and clear sea
• Small groups rather than large sightseeing boats
• Local explanation about ecology and marine life
• A relaxed drink at the end of an active outing

I would be more cautious if you need shade, dislike getting wet, or want one long beach stop. The tour is also not the right fit if your main interest is food, since no meal is provided.

Book up to 24 hours ahead for a full refund if your plans change, and the reserve-now, pay-later option can help if your Lisbon schedule is still taking shape. Check the available start times before booking because the departure time is not fixed in the information provided.

What to pack and how to prepare

Bring a sun hat, swimwear, towel, sunscreen, and comfortable clothing. Apply sunscreen before boarding and bring enough for the duration, since the boat has no shelter from the sun.

Keep your packing light. You need room for a towel and dry clothing, but too many loose items can get in the way on a small boat. The tour supplies snorkeling equipment and life jackets.

I would also plan to eat beforehand. Food and drinks beyond the included regional drink are not part of the experience. The outing is only 2.5 hours, but swimming and sun can make you hungry sooner than expected.

Should you book it?

I would book this Sesimbra boat tour if you want a compact, active look at the coast, especially if caves and snorkeling appeal to you. The best features are the small group, the friendly hands-on guiding, the number of scenic stops, and the chance to reach beaches that are hard to appreciate from land.

I would skip it if you want shade, a full meal, or an unhurried afternoon on one beach. For everyone else, $58 is a fair price for a guided outing that combines sea caves, wild beaches, swimming, marine life, and a local drink in one well-filled trip.

FAQ

Where does the Sesimbra boat tour start and finish?

The tour starts and returns 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. You should check the available start times when booking.

How many people can join the tour?

The group is limited to eight participants, making this a small-group boat experience.

Is snorkeling equipment provided?

Yes. Snorkeling gear and life jackets are included.

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 Bay and Beach.

What languages do the guides speak?

Live guiding is available in Portuguese, Spanish, English, and French.

What should I bring?

Bring a sun hat, swimwear, towel, sunscreen, and comfortable clothes. Food and drinks are not included, apart from the regional drink provided with the tour.