Sesimbra is a shining star on Portugal’s coast, offering more than just stunning views and fresh seafood. Its accessible location makes it a perfect base for exploring marine life, rugged coastlines, and natural parks. We particularly love Arrábida dolphin and whale watching tours, where you can see playful dolphins and learn about marine ecosystems from a marine biologist—an experience that combines adventure, education, and a touch of magic. The area’s natural beauty and the chance to spot whales and dolphins in their natural habitat make these tours stand out.
Sesimbra’s tours range from wildlife watching and snorkeling to kayaking, boat trips, and even hiking, offering something for every interest and fitness level. Whether you’re after a family-friendly outing like secluded boat trips or an adrenaline-pumping scuba diving experience, you’ll find plenty of options to fill your stay with memorable moments. Let’s take a closer look at each of the best tours you shouldn’t miss.
1. Sesimbra: Arrábida Dolphin and Whale Watching with Biologist
At number 1, this dolphin and whale watching tour combines a 3-hour boat cruise with in-depth insights from a marine biologist. Departing from Sesimbra, you’ll explore the Arrábida Natural Park’s waters, with opportunities to spot dolphins, whales, and migratory birds. The tour includes stops at Ribeiro do Cavalo Beach and Monkfish Cave, where swimming and snorkeling are on the menu.
What makes this tour stand out is the educational element—your guide shares detailed knowledge about the marine ecosystem and local wildlife, making it especially appealing for families or curious travelers. With a 4.9/5 rating based on 291 reviews and a modest price of $65, it offers great value for those eager to combine wildlife with a bit of science.
Bottom line: This tour is perfect if you want a focused, immersive experience with expert guidance and the chance to see marine mammals in their natural habitat.
2. Sesimbra: Dolphin and Whales Watching with Biologist Guide
Second on our list is another highly-rated dolphin and whale watching experience, also lasting roughly 3 hours. Departing from Avenida dos Náufragos, this tour emphasizes a successful record of sightings since 2013 and is led by biologists and local crew. Guests typically enjoy watching dolphins in the wild, snorkeling in secluded bays, and tasting local wines at quiet spots.
What makes this tour unique is the combination of wildlife observation and the chance to snorkel in pristine waters—a perfect pairing for active travelers who want to combine wildlife with a splash of relaxation. With a 4.9 rating from 104 reviews and a flexible schedule, it’s a reliable choice. One traveler noted, “We saw many dolphins and two whales, which was amazing,” confirming the tour’s success.
Bottom line: Ideal for those who want a well-rounded, educational tour with wildlife sightings plus some underwater adventure.
3. Sesimbra: Scuba Diving Experience with Photos Included
Moving below the surface, this beginner’s scuba diving tour offers a 3-hour introduction to the underwater world of Arrábida. Starting at Clube Naval de Sesimbra, you’ll receive safety instructions, then hop onto a speedboat to explore the vibrant reefs and see local wildlife like octopuses and colorful fish.
What makes this dive special is the focus on the landscape of Arrábida Natural Park and the personal attention from certified trainers. Guests rave about the professionalism of the guides, with 30 reviews rating it a perfect 5/5. Rudy, one of the instructors, is praised for making first-time divers feel secure and excited.
Bottom line: Best suited for first-timers or those looking for a relaxed, guided introduction to diving with memorable photo opportunities.
4. Arrábida: Kayaking and Snorkeling Experience
For outdoor lovers, this kayaking and snorkeling tour offers two hours exploring the coast of Arrábida. You’ll paddle along the cliffs and small beaches, discovering caves and secret spots where marine life thrives. Guides Filipa and Andrea are noted for their friendly approach and knowledge.
The highlights include exploring narrow beaches, spotting fish and sea urchins, and enjoying the scenic vistas of Portugal’s beautiful coastline. Reviewers mention the peacefulness and beauty of the experience, with one describing it as “like swimming in an aquarium.” It’s ideal for families or groups wanting a hands-on, nature-centered outing.
Bottom line: Perfect for active travelers who want to combine physical activity with marine discovery in an accessible setting.
5. Sesimbra: Boat Trip with Snorkeling at Secret Beaches and Bays
This 3-hour boat trip offers a relaxed way to explore the coast, including stops at Ribeiro do Cavalo Beach and Inferno Beach. You’ll cruise past caves and secluded coves, with opportunities to snorkel in crystal-clear waters and enjoy scenic views.
Your day includes multiple stops for swimming, snorkeling, and even stand-up paddleboarding. The tour is highly rated—one reviewer called it “a relaxing, beautiful trip with friendly guides.” The inclusion of regional drinks and local knowledge makes this a well-rounded experience.
Bottom line: Excellent for travelers who want a leisurely day on the water, mixing exploration with snorkeling and beach time.
6. Sesimbra: Wild Beaches and Caves Boat Tour
This three-hour boat tour emphasizes natural scenery and wildlife, with stops at Ribeira do Cavalo and Baleeira Beach. The tour promises dolphin sightings, scenic landscapes, and caves to explore.
Rated 5/5 from eight reviews, it’s praised for its professional guides and the ability to see rocky caves, small beaches, and wildlife in a relaxed atmosphere. The stop at Baleeira Beach for swimming and snorkeling offers a perfect break from sightseeing.
Bottom line: An excellent choice if you’re after a small-group, scenic adventure with wildlife sightings and cave exploration.
7. Explore Sesimbra: Private Sport Fishing All-Inclusive Tour
For the fishing enthusiasts, this private sport fishing tour lasts five hours and caters to groups up to ten. The calm waters of Arrábida make for productive fishing for species like snapper and bream. After catching your fish, you can keep and even grill your catch onboard.
Guests have noted it as a “great day out,” and it’s ideal for families or friends looking for a relaxed, hands-on experience that combines sportfishing with culinary fun. The tour includes boat cruising, fishing, and a chance to enjoy local flavors.
Bottom line: A top pick for anglers or those wanting a laid-back, full-day fishing adventure.
8. Sesimbra: Boat Tour to Hidden Natural Gems with Local Fisherman
Led by a local fisherman, this 3-hour boat tour offers an authentic look at Sesimbra’s lesser-known beaches and caves. You’ll visit secret spots like Ouro Beach and explore the coastline’s wild landscapes, tasting regional wine along the way.
Rated 5/5 by four reviewers, this family-run experience emphasizes intimacy and local knowledge. Unlike larger tours, it offers a personalized touch and relaxed pace—perfect for families or curious travelers wanting an authentic experience.
Bottom line: Ideal if you value local insights and a more intimate, family-style outing on the water.
9. Sesimbra: Snorkeling Tour through Wild Beaches and Caves
This snorkeling tour lasts about 2.5 hours and is designed for eco-conscious travelers. Small groups, respectful of nature, explore the coastline, snorkeling at Ribeira do Cavalo, Mijona, and Cabo Espichel.
Guests rave about the peaceful pacing and the chance to see marine life like fish and sea urchins. It’s well-suited for those who prefer leisurely, environmentally friendly activities with knowledgeable local guides.
Bottom line: Best for eco-minded travelers wanting a relaxed, intimate snorkeling adventure.
10. Hiking Tour to the Highest Point of Arrábida Mountain
If walking is your thing, this hiking tour takes you to the top of Arrábida Mountain for panoramic views over the coast and the landscape below. Over eight hours, your guide shares insights into local flora and fauna, and you’ll enjoy local bread and cheese along the way.
Rated 4.8/5, the tour is perfect for active travelers with a good fitness level who want a full day of scenic vistas and natural discovery. The routes are designed to be challenging but rewarding.
Bottom line: Ideal for hikers seeking an immersive experience in Arrábida’s landscape, with expert guidance and stunning vistas.
11. From Sesimbra: Ribeira do Cavalo Beach and Caves Boat Tour
This 1.5-hour boat tour offers a shorter but picturesque experience along the coast. You’ll cruise past landmarks like Fort Santiago, enjoy views of wild landscapes, and stop at Ribeira do Cavalo Beach for swimming and relaxation.
Rated 4.4/5, it’s well suited for travelers who want a quick escape with scenic views, wildlife sightings, and the chance to see caves and cliffs.
Bottom line: Great for those with limited time who still want a taste of Sesimbra’s coastal beauty.
12. Sesimbra: Dolphin Watching with Marine Biologist
This 3-hour dolphin watch combines wildlife viewing with a marine biologist guide. It’s an intimate experience, focusing on observing dolphins in the wild and enjoying scenic landscapes, including visits to Praia da Mijona.
Rated 5/5 from 2 reviews, the experience emphasizes personal attention and education, making it especially appealing for families or wildlife enthusiasts.
Bottom line: Best for those seeking a deep connection with marine life in a relaxed setting.
13. Sesimbra: Dolphin Watching with a Biologist in the Marine Park
Finally, this dolphin watching tour offers a 3-hour adventure in the Professor Luiz Saldanha Marine Park, with a biologist guiding you through the waters. Expect to see dolphins, marine animals, and learn about conservation efforts.
Rated 5/5 from a single review, it offers a tailored experience ideal for travelers who want to combine wildlife, education, and an intimate boat ride.
Bottom line: Excellent choice if your priority is educational wildlife viewing in a protected area.
How to Choose the Right Tour
When deciding among these options, consider your budget, interests, and physical activity level. For family-friendly learning and wildlife, dolphin and whale watching tours are excellent. If you’re eager to get under the water, scuba diving or snorkeling might be your best fit. For outdoor enthusiasts, hiking and kayaking offer scenic, active adventures.
Timing also matters—early bookings are recommended during peak seasons, especially for popular wildlife tours. Check each tour’s schedule and availability, and consider combining activities if your schedule allows.
Final Thoughts
From wildlife watching and snorkeling to hiking and fishing, Sesimbra offers a diverse set of experiences that suit all kinds of travelers. If you want a family-oriented, educational adventure, the dolphin tours with biologists are a top pick. For those craving more action, scuba diving or sport fishing provide unforgettable moments. And if you’re after a peaceful escape, boat trips along the coast reveal some of Portugal’s most stunning natural scenery.
Book early, especially in the summer months, to ensure your spot on these popular tours. No matter your interests, Sesimbra’s tours promise authentic, memorable moments that will enhance your Portuguese holiday.