Transparent boat tour from Sesimbra to Ribeiro do Cavalo beach
Aboard a fully see-through boat, explore the coast of Arrábida and snorkel at the stunning Ribeiro do Cavalo beach, just 30 minutes from Lisbon.
Practical information
Glide over crystal-clear waters on a fully transparent boat and snorkel at one of Portugal’s most stunning hidden beaches.
- Sail on a fully see-through, eco-friendly boat along the Arrábida coastline
- Stop for swimming and snorkeling at the iconic Ribeiro do Cavalo Beach
- Discover vibrant marine life in a protected natural park, guided by locals
Course of events
- Arrive at Sesimbra meeting point 10 minutes before departure and meet your skipper for a warm welcome and safety briefing
- Step barefoot onto the fully transparent boat, giving you uninterrupted views of the seabed from the very first moment
- Begin cruising along the coastline of the Arrábida Natural Park and the Luís Saldanha Marine Reserve, observing the marine life directly beneath your feet
- Your guide highlights underwater features and points out fish, starfish, sea urchins and other coastal wildlife
- Stop at the breathtaking Ribeiro do Cavalo beach, where you’ll have time to swim and snorkel in crystal-clear waters
- Enjoy the peaceful surroundings and admire the beach’s turquoise waters and dramatic cliffs, accessible only by boat
- On the return, cruise through Sesimbra Bay for more seabed observation and scenic views
- Arrive back at the harbour after approximately 90 minutes at sea
Activity requirements
Please arrive 10 minutes before the departure time.
All passengers will be asked to remove their shoes before boarding.Shoes and bags will be stored safely in a designated box inside the boat. As this is a fully transparent boat, we recommend bringing as little as possible with you.
To help preserve the clarity and condition of the boat’s surface, please avoid bringing items that could scratch or damage it.
If you are prone to seasickness, please bring motion sickness tablets with you.
You must sign a terms and conditions sheet before entering the boat.
Special terms
This activity is not recommended for pregnant or disabled people.
Pets are not permitted to join in this activity.
Please note that the duration and itinerary of the activity are weather-dependent.
All participants must sign an insurance waiver on-site.
Spoken languages:
Portuguese, English, SpanishIncluded
- Lifejackets
- Insurance
- Snorkel equipment (mask and snorkel)
- Pictures
Excluded
- Pick-up & drop-off
Do not forget to bring
- Hat
- Swimwear
- Towel
- Camera
- Snacks
- Sunscreen
- Bottle of water
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Practical information
Meeting point:
Spoken languages:
Portuguese, English, SpanishCancellation: Moderate
Weather guarantee:
Free rescheduling or refund if the activity must be cancelled due to bad weather.100% Secure payment:
By credit card or PaypalA team of experts:
Here to assist you 7/7About the activity
Discover the underwater world like never before on this transparent boat tour from Sesimbra, a unique and eco-friendly experience along the Arrábida coastline. Aboard a 100% see-through vessel, you'll glide over reefs, sandy patches and marine ecosystems teeming with life, all while staying dry and comfortable.
This transparent boat tour from Sesimbra begins at the harbour, where your local skipper welcomes you before you step barefoot onto the crystal-clear deck. As the boat cruises through the protected waters of the Luís Saldanha Marine Park, you'll spot fish, starfish, sea urchins and more, all visible under your feet thanks to the innovative design of the vessel.
One of the highlights of this transparent boat tour from Sesimbra is a stop at Ribeiro do Cavalo beach, a hidden cove only accessible by sea. Here, you’ll have time to swim, snorkel and take in the wild beauty of the Arrábida cliffs and turquoise waters. Snorkeling gear is provided, and your guide is there to help you spot marine life and learn about the area’s unique biodiversity.
With small group sizes, personalised attention, and an itinerary designed for comfort and discovery, this transparent boat tour from Sesimbra is ideal for families, couples and curious travellers looking for an original and sustainable way to explore Portugal’s coastline.
Whether you're here for adventure, relaxation or photography, this transparent boat tour from Sesimbra is your gateway to the natural beauty of one of Portugal’s most remarkable marine parks.