Snorkeling in Sesimbra: Caves, beaches and marine park

Caves, hidden beaches and snorkeling stops on a small boat along Sesimbra's protected coast

A three-hour boat snorkeling trip in Sesimbra explores the Professor Luiz Saldanha Marine Park with a local guide fluent in English, Portuguese, French and Spanish. The boat carries up to seven passengers and stops at sea caves, hidden bays and clear-water swimming spots where snorkeling equipment is provided. Guides share stories about the region's geology, nature and history as the boat navigates cliffs and coves accessible only from the water.

The experience

The boat itself is a family vessel fitted with benches, designed to stay small so the group stays under eight people. This matters because the coast you're traveling (cliffs, sea caves and hidden bays cut into the Professor Luiz Saldanha Marine Park) is the kind of place where a crowded boat changes everything. Your guide is someone who lives in the region and speaks English, Portuguese, French and Spanish, so the stories about what you're passing (the geology, the history, the wildlife) come from actual knowledge, not a script.

When the sea conditions allow, the boat stops so you can swim and snorkel in the clear water. Snorkeling equipment is included, along with a life-saving vest. The boat carries you past imposing cliffs and into bays most people never see because they're only reachable by sea. You're not watching the coast from a distance. You're moving through it, stopping where it makes sense to get in the water.

Regional drinks and a regional sweet are included. The whole trip runs three hours. You can book it as a shared departure with other small groups, or arrange it as a private boat for just your family or friends. Contact the operator to set that up.

What’s included

• Snorkeling equipment.
• life-saving vest.
• boat with skipper.
• regional drink and regional sweet.
• guide with local knowledge of the region.
• personal activity insurance.

Before you book

Lasts 3h, runs every day at 10:15 and 14:30, from € 45 per person, with a live guide in English, Spanish, French and Portuguese, in groups of up to 7 and with free cancellation up to 24 h before.

Days and timesEvery dayDepartures at 10:15 and 14:30

GroupUp to 7

Live guideEnglish, Spanish, French and Portuguese

Meeting point and pickupNo hotel pickup: you go to the meeting point. Ends back at the starting point.

Cancellation and refundsFree cancellation up to 24 h before the start. After that, no refund.It may be canceled due to bad weather or if the minimum number of travelers isn't reached. If that happens, you're offered another date or a refund.

Prices and times updated today

Good to know

Low physical effortWheelchair accessibleAccessible transportStroller-friendlyPets welcomePublic transport nearbyInfants must sit on laps

Operated by Blue Front

Is this one for you?Choose the shared departure for a smaller group cost, or book private if you want the boat just for your family or close friends.

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Top questions

What languages is the tour guided in?

Live guide in English, Spanish, French and Portuguese.

What happens if it rains?

It may be canceled due to bad weather. If that happens, you're offered another date or a refund. Free cancellation up to 24 h before the start.

What is the Professor Luiz Saldanha Marine Park and why does the boat go there?

The Professor Luiz Saldanha Marine Park is a protected coastal area near Sesimbra known for its unique geology, marine life and sea caves. The boat travels through the park to reach hidden bays, beaches and caves that are only accessible by water, letting you see the cliffs and underwater environment that make the area distinctive.

Can I snorkel if I've never done it before?

Yes. Snorkeling equipment is included, and the boat stops in clear, shallow water where you can swim and explore marine life at your own pace. The guide can help you get started, and the trip is suitable for all physical fitness levels.

Is this boat trip private or shared with other groups?

The standard departure is shared with other small groups, since the boat holds up to seven passengers total. You can also arrange a private boat for just your family or friends by contacting the operator directly.

What happens if the sea is rough on the day I book?

Snorkeling stops depend on sea conditions. The guide will make a stop to swim and snorkel whenever conditions allow, but if the water is too rough, the boat will still travel the coast and visit the caves and beaches. You just won't enter the water that day.

How long is the boat trip and what's included in the price?

The trip runs three hours. Included are the boat and skipper, snorkeling equipment, a life-saving vest, a regional drink and a regional sweet, a guide fluent in English, Portuguese, French and Spanish, and personal activity insurance.