Top picks for Cascais Water activities

Discover 20 Water activities in Cascais on Trip.com, updated November 6, 2026, with experiences lasting from 1 to 12 hours. Find the perfect adventure for your day!

From €24.00 per person, with an average total of €68.07. Choose the option that suits your plan.

With 376 verified reviews, Water activities Cascais boast an average rating of 4.9.

This week's most popular Water activities: "Sesimbra: Arrábida Beaches & Caves Boat Tour with Snorkeling", with 85 reviews and a 4.9 rating.

Now on Trip.com: "Group Scenic Sea Kayaking in Cascais, Lisbon", a 1-hour adventure in Cascais!

The next available day tour departs on November 7, 2026. Book now to secure your spot!

Cascais Water activities usually take about 1 hours — perfect for a relaxed, immersive experience!

10% of Cascais Water activities now offer English-speaking guides

November is perfect for visiting Cascais! Choose from 20 available day tours, including seasonal hits like Sesimbra: Arrábida Beaches & Caves Boat Tour with Snorkeling.

Your trip, worry-free! All day tours are run by licensed suppliers with verified reviews, and many include free cancellation before departure.

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20 results for Cascais Water activities

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Reviews/Trip Moments

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Reviews: Group Scenic Sea Kayaking in Cascais, Lisbon
Guest User2026-09-29
Daniel was a superb and reassuring guide and tutor where we enjoyed a very fun sea kayaking tour of the rocks and coastline around Cascais. It's advisable to bring a bottle of water, sun protector, swimming costumes/trunks, a small backpack with towel, and a change clothes and a sweater (just in case!) We met at Praia de St Marta and then went inside the Boca do Inferno at high tide. It was a superb trip in all aspects.
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Reviews: Sesimbra Discovery by Kayak
Guest User2025-11-01
Highly recommended, with a great guide! And I received a very good tip for exploring the area, where you then have a very beautiful view.
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Reviews: Arrábida Kayak Tour from Lisbon or Sesimbra — Small Group
Guest User2026-10-30
Hey Rui&Ana, we had a very good time here in Lisboa and we have to fly back tomorrow. But your event was the highlight of our vacation. You planned everything very well, chose great spots, not too long, not too short, payed always attention of our safety, told us interesting information, prepared a tasty picknick and were the best hosts. Thanks and it was great meeting you two! Best, Dirk
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Reviews: Lisbon Surf: Caparica Surf Experience
Guest User2026-10-03
Brilliant teacher (David) very reassuring for beginners and helped us the whole time until we were doing it ourselves. Good wetsuits provided. Would do this again if we come back to the area. Thank you!
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Reviews: Lisbon: Try Dive in Arrábida Marine Reserve, Setúbal and Sesimbra
Guest User2026-09-12
It was an experience I'd love to repeat! The close supervision from the instructors, the friendly atmosphere, and the location were excellent. Thanks to instructors Miguel and Rafael, the angelic duo, for their excellent work and care! Thank you!