Sesimbra is a fantastic destination for boat trips. Its rugged coastline, hidden caves, and crystal-clear waters make it a haven for anyone looking to explore by sea. Whether you’re after a relaxing cruise, snorkeling adventure, or a private boat experience, Sesimbra has something to offer. We particularly like the Arrábida Beaches & Caves Boat Tour with Snorkeling for its combination of scenic beauty and active fun—swimming in pristine waters and exploring secret caves (see here). For a more intimate experience, the Private Boat Tour offers a tailored ride along the coast with personalized stops, perfect for small groups or special occasions.
If you’re traveling with family or prefer a shorter, straightforward trip, the Family Friendly Boat Sea Tour with Submarine Vision is a hit, offering underwater views and marine life encounters. And if mystery and geology fascinate you, the Mysteries of Cape Espichel Tour reveals dinosaur footprints and dramatic caves. Whatever your style, Sesimbra’s boat tours promise memorable views and unique moments at every turn.
Quick Overview
In this guide, you’ll find a variety of boat experiences: from 3-hour scenic cruises and snorkeling trips to private charters and family-friendly excursions with submarine windows. Some tours focus on discovering secret beaches and caves, like the Secret Bays and Beaches Boat Tour with Snorkeling (see details), while others emphasize wild landscapes and marine interactions. For those seeking a luxury, all-inclusive day, the Full-Day Tour with boat ride combines sightseeing, tasting local wines, and cultural visits. Below, each tour is broken down with details to help you pick the right experience.
1. Sesimbra: Arrábida Beaches & Caves Boat Tour with Snorkeling

This 3-hour boat tour takes you through the Arrábida Natural Park, with stops at secret beaches, caves, and swimming spots like Praia do Inferno and Mijona Beach. Starting from the Lisbon District, the experience is rated 4.9/5 with 129 reviews, which speaks to its popularity. The tour includes snorkeling in crystal waters, a visit to the remote Praia do Ribeiro do Cavalo, and tasting regional drinks while enjoying the beach views.
What makes this tour stand out is its combination of scenic beauty and active swimming. The itinerary features multiple stops, including guided tours and photo opportunities at beaches like Ribeiro do Cavalo. Guests often highlight the knowledgeable guides and the chance to see dolphins, making it a favorite for both relaxation and adventure. The price of $57 per person offers excellent value for 3 hours of discovery, especially with the positive reviews emphasizing the outstanding experience and adventurous spirit.
Bottom Line: Perfect for travelers wanting a balanced mix of sightseeing, swimming, and caves in a short, affordable trip.
2. Sesimbra: Secret Bays and Beaches Boat Tour with Snorkeling

This 2.5-hour tour is rated 5/5 by 89 reviews and offers an authentic glimpse into Sesimbra’s less-touristed spots. For $57, you’ll explore local secret beaches and bays known mainly to residents, with plenty of snorkeling opportunities in calm, clear waters. The trip includes scenic views, marine life spotting, and free time at beaches like Ribeiro do Cavalo and Mijona.
What makes this experience distinctive is its focus on connectivity with nature and tranquility. The guides are praised for their friendly service and insider knowledge, making it a relaxing yet enlightening adventure. The shorter duration is ideal if you’re limited on time but want a high-quality, intimate excursion. Guests often mention how the snorkeling and quiet beaches left them with unforgettable memories.
Bottom Line: A great choice for those who want an authentic, small-group experience with snorkeling and unspoiled scenery.
3. Sesimbra: Family Friendly Boat Sea Tour w/ Submarine Vision

At 2 hours and rated 4.7/5 with 77 reviews, this family-focused tour offers a fun, educational experience for all ages. Starting from Aquarama, you’ll enjoy underwater windows to see marine biodiversity, combined with a surface cruise around the Arrábida coast. The tour emphasizes learning about local fish and sea life, making it perfect for children or those new to boat trips.
Guests highlight the interactive submarine views and interesting commentary from guides. The price of $24 per person makes this a budget-friendly option, especially suitable for families or groups seeking a safe, relaxed environment. The route covers Professor Luiz Saldanha Marine Park and The secret Ribeiro do Cavalo, providing a taste of the region’s marine richness.
Bottom Line: Ideal for families or first-time boaters wanting easy access to sea life and scenic views without long hours or strenuous activity.
4. Sesimbra: Boat Trip with Snorkeling at Secret Beaches and Bays

This 3-hour tour is rated 5/5 by 14 reviews and offers a comprehensive exploration of Sesimbra’s hidden coves and caves. Starting from Sea Dreams Tours and Fishing, it includes snorkeling, sightseeing, and relaxed beach stops. The tour features stand-up paddleboarding and visits to beaches like Ribeiro do Cavalo and Inferno, with an emphasis on marine life viewing.
Guests say it provides “unique moments among crystal waters” and appreciate the friendly crew and clear instructions. The $59 price is competitive for the length and inclusiveness, making it suitable for travelers who want a combination of activity and relaxation. The itinerary’s highlight is the chance to see marine life and explore less accessible beaches.
Bottom Line: Best for those wanting a full three-hour experience with multiple activities and scenic swimming.
5. Sesimbra: Wild Beaches and Caves Boat Tour

This 3-hour adventure is rated 5/5 by 8 reviews and focuses on dolphin sightings and untouched landscapes. The tour visits Ribeiro do Cavalo and Praia da Mijona, with stops for snorkeling, sightseeing, and wildlife viewing. Guided by professional skippers, it promises verified safety measures and an exciting exploration of Sesimbra’s dramatic coast.
Guests often comment on the landscape framing and the chance to see dolphins, making it appealing for nature lovers. The tour’s unique selling point is its emphasis on wildlife and landscape photography. The price depends on availability but offers a high-value experience in a short window.
Bottom Line: For travelers interested in wildlife and scenic landscapes, this tour delivers a thrilling 3-hour ride.
6. Arrábida: Boat tour along the heart of Sesimbra

This small-group, 3.5- to 5-hour private cruise is perfect for those seeking a personalized experience with an expert guide. At $625 for up to 10 people, it allows for snorkeling, paddle boarding, and delicious local appetizers. Starting from a flexible location, the tour covers secluded beaches and hidden caves, with a focus on intimate exploration.
Guests love the customized itinerary and relaxing pace, making it ideal for special occasions or those who prefer a more exclusive adventure. The tour also offers opportunities to swim and enjoy the sea at your leisure.
Bottom Line: Best suited for small groups wanting a bespoke, relaxed day on the water with personalized stops.
7. Sesimbra: Boat Tour to Hidden Natural Gems w/ local fisherman

Rated 5/5 by 4 reviews, this 3-hour tour offers a local, family-run experience. Led by a local fisherman, it takes you to secret beaches and caves like Cabo Espichel and Baleeira Bay. The tour emphasizes authenticity and local knowledge, with wines and regional drinks served as you relax on board.
Guests describe it as “a fun-filled day with knowledgeable guides” and appreciate the personal touch of a family business. The tour’s intimate size and local flavor make it ideal for those who want an authentic connection to Sesimbra’s maritime culture.
Bottom Line: Perfect for travelers wanting a genuinely local experience guided by someone who knows every corner.
8. Sesimbra: Private Boat Tour – Wild beaches, secret bays, caves

This customizable 3-hour private tour costs $358 for up to 8 people. It visits Ribeiro do Cavalo, Cova Mijona, Baleeira Bay, with opportunities for snorkeling and swimming. The focus is on personalized exploration, with guided visits to caves and marine life viewing.
Guests praise the flexibility and exclusivity, especially for special occasions or family groups. The tour is suited for those who appreciate custom routes and privacy in their boat experience.
Bottom Line: Ideal for small groups seeking a tailored, private adventure along Sesimbra’s coast.
9. Arrábida: Boat Tour along the coast

This 3- to 5-hour cruise offers a deep dive into the geological and scenic features of Arrábida, including caves, promontories, and dino footprints. It’s priced at $95 per person, making it a mid-range choice for those wanting a rundown of the coastline.
Guests mention the fascinating geological sights and the opportunity to snorkel in clear waters. It’s suitable for travelers interested in nature, geology, and marine activity.
Bottom Line: Best for those who want a detailed exploration of the coastal cliffs and caves.
10. Mysteries of Cape Espichel

Rated 5/5, this 2-hour tour offers a geologically fascinating journey. It features dinosaur footprints and cave exploration, providing insights into prehistoric life. Starting from Anthia Diving Center, the tour is a shorter option but packed with geological wonders.
Guests rave about the unique experience of seeing dinosaur footprints from the sea and the spectacular caves. It’s perfect for geology buffs or families wanting an educational adventure.
Bottom Line: Ideal for those interested in paleontology and natural wonders accessible from the water.
11. Boat Trip and Jeep Tour with Lunch in Arrábida

This 7-hour experience combines a scenic boat cruise with an off-road jeep adventure. Starting from Porto Abrigo, it includes lunch, scenic drives, and dolphin sightings. The tour suits those wanting both land and sea exploration.
Guests praise the well-coordinated itinerary and the delicious regional lunch. It’s perfect for adventure-seekers and culture lovers who want to see more than just the coast.
Bottom Line: Best for travelers craving a full-day blend of maritime and terrestrial activities.
12. Sesimbra: Rote of Wonders/ Private Boat Tour

Rated 5/5, this custom private tour for up to 6 people costs $398 for 3 hours. It highlights rock formations, secret beaches, and marine animals, especially dolphins. The private setting allows flexible stops.
Guests find it ideal for special occasions or those who want a personalized experience. The guide’s local knowledge enhances the discoveries, making it a luxury option.
Bottom Line: Excellent for intimate, bespoke explorations of Sesimbra’s coastline.
13. Sesimbra: Amazing Full-Day Tour with Boat Ride

This 9-hour tour is a full immersion into Portugal’s treasures, including boat cruise, lunch, wine tasting, and visits to key sites like Cristo Rei. It’s priced at $302 and is best for travelers with a whole day to spare.
Guests enjoy the diverse activities, especially the combination of maritime and land visits. It’s a great choice for history, culture, and foodies.
Bottom Line: Suited for those seeking a comprehensive, all-in-one day trip.
14. Sesimbra: Bachelor/Bachelorette Party Boat Tour

Rated 4.6/5, this customizable 2-4 hour private tour is perfect for celebrating a special occasion. It features music, swimming, and optional stops, with a lively, festive atmosphere.
Guests value the flexibility and fun of the private boat, making it ideal for group celebrations. Additional services can tailor the experience further.
Bottom Line: Perfect for parties and celebrations, with a customizable, fun-filled approach.
15. Sesimbra: Boat Tour of the Beaches

This 6-hour tour combines beach visits, lunch, and sightseeing around Arrábida and the southern coast. Price at $143 per person makes it a solid value for a full-day trip.
Guests appreciate the guided visits to beaches and historic sites and the convenience of private transportation. It’s suitable for those wanting a comprehensive, relaxed day.
Bottom Line: For travelers looking for a full-day exploration with cultural and scenic highlights.
How to Choose Your Boat Tour in Sesimbra
When picking a boat tour, consider your budget, time, and interests. If you’re after active snorkeling and caves, the Arrábida Beaches & Caves Tour or the Secret Bays trip are excellent. For a family-friendly, educational outing, the Submarine Vision Cruise offers fun without the fuss. Want a more exclusive experience? The private cruises like the Rote of Wonders or Arrábida private tour provide personalized service.
Think about whether you prefer shorter half-day trips or a full-day adventure — the Full-Day Tour covers many highlights, while shorter options are perfect for a quick escape. Booking early is advisable, especially for popular tours in peak season.
Final Thoughts
From adventure-filled snorkeling trips to luxurious private cruises, Sesimbra’s boat tours cater to all tastes. For those who want a balanced experience with stunning scenery and marine life, the Arrábida Beaches & Caves Boat Tour is hard to beat. If your budget is tighter or you travel with family, the Family Friendly Boat Sea Tour offers great value.
For travelers craving a tailored, intimate experience, the private boat tours stand out. Whatever you choose, booking ahead ensures you won’t miss out on these unforgettable maritime adventures. Happy sailing!