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Experience dolphin and whale watching in Sesimbra with biologist guides, snorkeling, and local wine. A 3-hour eco-friendly tour rated 4.9/5 by 104 reviews.
Discover the magic of Portugal’s marine life on the Sesimbra Dolphin and Whales Watching Tour with a biologist guide. Starting from Avenida dos Náufragos in Sesimbra, this 3-hour boat trip offers a chance to see dolphins and whales in their natural habitat with a 100% success rate since 2013. The tour is led by seasoned biologists who share expert insights into marine animals, making it both educational and exciting.
You’ll visit the Arrábida coast, a protected maritime area known for its vibrant marine ecosystem, often visited by species like Bottlenose Dolphins, Atlantic Short-Beaked Common Dolphins, and Striped Dolphins. During the trip, you also get to snorkel in a secluded bay and enjoy a local wine in a hidden cove, blending wildlife observation with relaxed leisure.
While the boat is fast and lively, it’s important for those with back problems to consider the bumpy ride. The tour is a fantastic option for nature lovers, photography enthusiasts, and anyone interested in marine conservation, seeking a balanced mix of adventure and education.


The tour begins at Bolhas Tours’ Marine Center in Sesimbra’s harbor area, where guests check in and receive a brief safety briefing. The center offers Wi-Fi, showers, and toilets, making it convenient for preparations before heading out on the water.
The meeting point is easily accessible with free parking, and the activity ends back at the same spot. The group size is limited to 18 participants per boat, ensuring an intimate experience and ample space for wildlife viewing.
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The biologist guides are a core part of this experience, providing engaging insights about the cetacean species, their behaviors, and migration patterns. As the tour is operated by Bolhas Tours, it emphasizes eco-friendly practices aligned with international standards, respecting the animals’ natural environment.
Since 2013, the tour boasts a 100% success rate in spotting dolphins and whales, making it a reliable choice for wildlife enthusiasts. Guides like Rosa and Darcy are praised for their informative and approachable style, helping guests understand and appreciate marine life in a meaningful way.

After dolphin sightings, the boat ventures into hidden coves and grottoes along the Arrábida coastline, renowned for its secular beauty and natural heritage. These scenic stops provide opportunities for photo-taking, swimming, and snorkeling in calm, pristine waters.
In these quiet bays, guests can sample the local wine, a tradition in the region, while soaking in spectacular views of the coast. The stops are generally about 40 minutes long, giving enough time for relaxation while soaking up the scenery.

The waters offshore Sesimbra are home to a variety of cetaceans. The most common sightings include Bottlenose Dolphins, Atlantic Short-Beaked Common Dolphins, and Striped Dolphins. During spring and summer, there’s a chance to see orcas, Minke whales, Fin whales, and Sei whales, especially when hotter sea currents influence migration routes.
The diversity of species and the frequency of sightings contribute to the tour’s reputation. The expert guides help identify these animals and explain their behaviors, making each sighting more meaningful.
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The secluded bays chosen for snorkeling are safe and calm, perfect for swimmers and non-swimmers alike. Guests are provided with snorkel masks and life jackets to ensure safety and comfort.
The snorkeling stops usually last around 40 minutes, offering a chance to swim amidst clear waters, observe marine life underwater, or simply relax on the boat with local wine and water on hand. Remember to bring bathing suits and towels if you wish to swim.
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The tour runs in various seasons, so packing sun protection is advised year-round. In colder months, a wind jacket or sweater is recommended, which can be left at the center before departure.
The activity is wheelchair accessible, accommodating guests with mobility needs. Light snacks are permitted onboard, but food purchases are not included, so bringing some snacks is a good idea.

The itinerary includes multiple stops: starting at Avenida dos Náufragos, with a brief visit to Bolhas Tours’ marine center for safety and equipment. The boat then sets off for scenic views and wildlife spotting at CV7Q+XV for approximately 50 minutes and CR6Q+WV for about 40 minutes.
Next, guests visit Ribeiro do Cavalo Beach for 40 minutes, where they can snorkel, enjoy wine, or explore the coastal surroundings. The tour concludes with a 30-minute stop at CVMJ+6V for more sightseeing before returning to Avenida dos Náufragos.

The core focus of this tour is dolphin and whale watching in their natural environment, with biologist-led explanations that deepen understanding and appreciation of marine species. The success rate and positive reviews testify to the quality of the experience, providing many memorable moments.
Along With wildlife, the scenic coastline and secluded bays offer a peaceful backdrop for relaxation and photography. The snorkeling opportunities add an extra element of adventure, making this a well-rounded marine excursion.

This tour is ideal for marine life enthusiasts, families, and adventure seekers who enjoy learning from experts and seeing animals in the wild. It’s suited for those who appreciate eco-friendly practices and want a respectful, responsible wildlife experience.
Guests should be prepared for a fast boat ride and bumpy waters—those with back problems might reconsider or inform the guides beforehand. The limited group size enhances the chances of close encounters and personalized attention.
The combination of expert-guided marine education, reliable sightings, and beautiful coastal scenery makes this tour stand out. The inclusion of snorkeling, local wine, and cultural insights offers more than just wildlife watching—it’s an immersive experience in the Arrábida region.
While no food is included, the marine center facilities, free parking, and flexible booking options such as free cancellation make it a practical choice. This tour is best suited for those eager to learn about marine mammals and capture stunning images of wildlife and landscapes.
“Both Rosa and Darcy were very informative and helpful. They kept us engaged with dolphin spotting and also other species”
Is this tour suitable for children or people with mobility issues?
Yes, the tour is wheelchair accessible and suitable for most children, but the fast boat ride can be bumpy, so caution is advised for those with back problems or mobility concerns.
What species of dolphins and whales can I expect to see?
The most common cetaceans include Bottlenose Dolphins, Atlantic Short-Beaked Common Dolphins, and Striped Dolphins. There’s also a chance to see orcas, Minke whales, Fin whales, and Sei whales mainly in spring and summer.
Are snorkeling masks provided, and do I need my own gear?
Snorkeling masks and life jackets are provided by the tour. Guests can bring their own gear if they prefer, but the provided equipment is suitable for most.
What is the best time of year to go whale watching in Sesimbra?
While cetaceans are visible year-round, spring and summer are particularly good for spotting larger whales like orca and Sei whales due to migratory patterns.
How do I book this tour?
You can reserve in advance through the booking platform, with the option to pay later. Cancellation is possible up to 24 hours before the tour.
This Sesimbra Dolphin and Whales Watching Tour offers an engaging, eco-conscious way to observe marine mammals in the wild with the guidance of knowledgeable biologists. Whether you’re a wildlife enthusiast or simply seeking a scenic adventure, this tour delivers stunning views, fascinating animals, and memorable experiences in Portugal’s beautiful Arrábida coast.
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