Underground · CAVE BOAT TOURS IN PORTUGAL

15 Cave Boat Tours in Portugal Worth the Descent

38 tours  ·  from $18 a head

Treat this as the note you would send a friend with one day free: 15 cave boat tours in Portugal, each with its price, what other travellers said, and the detail that decides it.

Portimão: Benagil Caves Speed Boat Tour with Sunset Option - Ferragudo and its castle from sea level
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Portimão: Benagil Caves Speed Boat Tour with Sunset Option

1.Benagil Caves Speed Boat Tour with Sunset Option

★★★★★★★★★★4.8 · 11,663 reviews · 1h 30m · from $20Our pick

Join Atlantis Tours at Portimão’s riverside pier for a 90-minute RIB ride along the Algarve coast. You’ll pass Ferragudo, Carvoeiro, Algar Seco, and the Benagil Caves with a skipper and multilingual guide. Recent guide teams have included Sergio, Carlos, and Diego. Choose a shared, small-group, private, or sunset departure.

“What a fun way to spend Christmas Eve afternoon and my 60th birthday. Funny informative guide who made the experience memorable. The joy of being able to see this beautiful part of Portugal's coast and the Benagil Cave will stay with me forever.”

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Albufeira: Benagil Caves & Dolphin Watching Speed Boat Tour - From Albufeira Marina to the golden cliffs
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Albufeira: Benagil Caves & Dolphin Watching Speed Boat Tour

2.Benagil Caves & Dolphin Watching Speed Boat Tour

★★★★★★★★★★4.6 · 6,316 reviews · 2 - 2.5 hours · from $40

Set out from Albufeira Marina on a 2 to 2.5-hour speedboat trip along 18 kilometers of Algarve coast. Guides such as Ana explain the caves, beaches, and rock formations while skipper Ruben handles the boat. You’ll visit Benagil Cave, pause for a possible swim, and search for dolphins, though sea conditions can change the route.

“guide was LOVELY! she had the best personality and made it engaging. we didnt get to see any dolphins unfortunately but nevertheless a worthwhile trip for the sights! she gave us the option for a short swim, our crew didn’t want to so we had more time looking for dolphins/tour. they also took pics with a camera and we purchased for €10.”

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Albufeira: Dolphin Watching and Benagil Cave Boat Cruise - Leaving Albufeira Marina on the semi-rigid boat
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Albufeira: Dolphin Watching and Benagil Cave Boat Cruise

3.Dolphin Watching and Benagil Cave Boat Cruise

★★★★★★★★★★4.8 · 4,226 reviews · 2.5 hours · from $35

Set out from Albufeira Marina on a fast semi-rigid boat with a skipper and marine biologist. You’ll travel along 18 kilometers of Algarve coast, search for wild dolphins, visit Benagil Cave if sea conditions and maritime rules allow, and stop for a swim when possible. Guides such as Maria, Tomas, Rui, and Rafael have led recent trips, though crew assignments vary.

“Solo traveller. This tour was absolutely fantastic. I went for the 12:30 appointment in the second week of October and the dolphins were still there. We were able to see common dolphins and bottle nose dolphins! Our skipper (Diogo) and our marine biologist (Rui) were absolutely fantastic! They allowed us to see everything and the weather was great. I would recommend bringing a light jacket or something with you as you are whipping over the sea at great speed so it does get a bit cold. The Seacret team were great and check in was really easy. I’d highly recommend going on this tour! It’s well worth the money! 10/10”

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Albufeira: Coastline and Benagil Caves Tour by Catamaran - Leaving Albufeira Marina near Gate 3
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Albufeira: Coastline and Benagil Caves Tour by Catamaran

4.Coastline and Benagil Caves Tour by Catamaran

★★★★★★★★★★4.7 · 4,077 reviews · 2.5 hours · from $35

Set out from Albufeira Marina on a spacious catamaran for a 2 to 2 hour 45 minute cruise past São Rafael, Marinha, Albandeira, and other Algarve highlights. Your multilingual guide explains the coast before the boat reaches Benagil Cave. A 10-minute Atlantic swim, onboard drinks, music, toilets, and sunny and shaded seating add comfort.

“Funny guide. Loved the experience. So worth every penny paid. We got priority boarding with a baby.”

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Portimão: Benagil Cave and Praia de Marinha Boat Tour - The Portimão departure point
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Portimão: Benagil Cave and Praia de Marinha Boat Tour

5.Benagil Cave and Praia de Marinha Boat Tour

★★★★★★★★★★4.8 · 2,904 reviews · 2 hours · from $41

From Portimão, you’ll ride a new diesel-free boat along the Algarve coast with a captain and guide such as Andre, Mauro, or Daniel. Expect Benagil Cave, about 20 caves, deserted beaches, Fort of Santa Catarina, Ferragudo Castle, and a possible swim from the boat near Praia da Marinha. Guides speak English, French, Portuguese, and Spanish.

“Mauro and Daniel were fantastic guides! Multilingual and with jokes! Loved the small boat size so we could get in close in the caves, plenty of time to admire the views (with the boat changing angles so everyone got views), and wonderful to get a quick swim in open water near Marinha! Absolutely wonderful adventure and would thoroughly recommend this trip! 5*”

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Portimão: Pirate Ship Cave Cruise - Carvoeiro, Algar Seco, and the Atlantic Cliffs
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Portimão: Pirate Ship Cave Cruise

6.Pirate Ship Cave Cruise

★★★★★★★★★★4.7 · 2,813 reviews · 2.5 hours · from $41

Set out from Portimão aboard the Santa Bernarda, a medieval-style pirate ship with onboard seating, a small bar, toilets, and a lively multilingual crew. Cruise past Ferragudo, Carvoeiro, Algar Seco, and Alfanzina Lighthouse, then transfer to a wooden dinghy for Benagil Cave and nearby sea caves. Choose a morning, afternoon, or sunset departure.

“This was a most fun excursion for my daughter and I. We really enjoyed it and getting off on to the smaller boats to explore the caves was exciting.”

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Portimão: Sunset Cruise to Benagil Cave - The Algarve cliffs and smaller caves
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Portimão: Sunset Cruise to Benagil Cave

7.Sunset Cruise to Benagil Cave

★★★★★★★★★★4.8 · 2,293 reviews · 1h 30m · from $23

From Portimão’s San Francisco dock, you’ll take a 90-minute sunset cruise toward Benagil Cave and Benagil Beach. Guides such as Bernardo, Rui, Edward, and David add lively commentary while the skipper handles the caves and changing sea. Expect cliff views, Alfanzina Lighthouse, sunset light, and possible dolphin sightings, but cave entry depends on sea conditions.

“Overall it t was very good. People sometimes got in the way of taking pictures. Not sure what can be done about that other than a different kind of boat.”

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From Lagos: Ponta da Piedade Caves Kayak Tour from Catamaran - Starting at Lagos Marina
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From Lagos: Ponta da Piedade Caves Kayak Tour from Catamaran

8.Ponta da Piedade Caves Kayak Tour from Catamaran

★★★★★★★★★★4.9 · 2,015 reviews · 2 hours · from $37

From Lagos Marina, you’ll ride a comfortable catamaran to Ponta da Piedade, slide into a double kayak, and spend about 75 minutes paddling through arches, caves, and narrow passages with a guide. Guides such as Bruno and Ricardo are known for clear instruction and good humor. Swim afterward, or use the boat’s slide.

“the trip was fantastic. lovely tour of the caves and a wonderful guide and boat crew. unfortunately we could not go into one of the caves, but that was because the sea was very choppy, and was completely understandable. The guide has good local knowledge, and gave us some good recommendations for places to go after the tour as well.”

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From Lagos: Kayaking and Boat Cave Explorer Tour - Meeting at Lagos Marina
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From Lagos: Kayaking and Boat Cave Explorer Tour

9.Kayaking and Boat Cave Explorer Tour

★★★★★★★★★★4.8 · 1,988 reviews · from $41

From Lagos Marina, you’ll ride to Ponta da Piedade, learn basic kayak safety, then paddle with a guide through narrow caves and beside small beaches. Guides such as Sebastian and Leo are praised for calm instruction and humor. A support boat carries the kayaks and provides a chance to swim before returning to Lagos.

“Really interesting. The crew know their way around the local waters and show you the ‘animals’ in the rocks. Big shoutout for Leandro, Leo, or anything with an ‘L’. He had a very nice way of telling what to expect and humour. Got some nice tips afterwards.”

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Algarve 3-Hour Caves and Coastline Boat Trip - Following the Algarve cliffs toward Carvoeiro
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Algarve 3-Hour Caves and Coastline Boat Trip

10.Algarve 3-Hour Caves and Coastline Boat Trip

★★★★★★★★★★4.6 · 1,716 reviews · 3 hours · from $34

Sail from Albufeira toward Carvoeiro and Benagil on a roomy catamaran with English and Portuguese commentary, a bar, WiFi, toilets, and a swimming stop. You’ll pass beaches, cliffs, and sea caves, including Cathedral Cave. A paid flybridge upgrade adds top-deck seating, and guides such as João and Miguel bring local facts and humor to the trip.

“The tour guide, captain & crew were all awesome! Loved our time!”

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Lagos: Piedade Caves & Coastline - Catamaran - Ponta da Piedade by catamaran
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Lagos: Piedade Caves & Coastline – Catamaran

11.Piedade Caves & Coastline – Catamaran

★★★★★★★★★★4.7 · 1,694 reviews · 2h 30m · from $34

Sail from Lagos Marina along the golden Algarve coast to Ponta da Piedade, Dona Ana, Camilo, Porto de Mós, and Praia da Luz. You get a stable catamaran, live English or Portuguese commentary, a swim stop, paddle boards, a sun deck, Wi-Fi, and a bar. The boat carries up to 80 people.

“We had such an amazing time on the catamaran. It was rainy and cold on the day we went and we still had such a great time! The scenery itself was beautiful. Regardless of the weather, the crew still broke out the swim float, paddle boards, etc. Sangria and other drinks on board. We went first week of May and the boat was not super crowded”

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Portimão: Carvalho & Marinha Beach, Benagil Cave Boat Tour - The western cliffs and small coves
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Portimão: Carvalho & Marinha Beach, Benagil Cave Boat Tour

12.Carvalho & Marinha Beach, Benagil Cave Boat Tour

★★★★★★★★★★4.8 · 1,549 reviews · 1h 15m · from $18Best value

Set out from Portimão on a 75-minute speedboat ride past Ferragudo Castle, Praia da Rocha, Carvoeiro, Algar Seco, Carvalho Beach, Benagil Cave, and Praia da Marinha. Expect close rock views, lively commentary in four languages, and a skilled captain. Early departures mean fewer boats, while cave access depends on sea conditions.

“My experience was amazing! The boat ride was fun and safe.”

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Lagos: Dolphins & Caves - Catamaran - The open-sea search for dolphins
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Lagos: Dolphins & Caves – Catamaran

13.Dolphins & Caves – Catamaran

★★★★★★★★★★4.9 · 1,512 reviews · 2.5 hours · from $58

Set out from Marina de Lagos on a 2.5-hour catamaran with a marine biologist and crew who search for dolphins in the open sea. Guides such as Nadja and Diogo explain marine life, then the boat anchors near the Algarve cliffs for swimming, jumping, and an inflatable slide. Expect shade, toilets, snacks, and a smooth ride, but dolphin sightings are never guaranteed.

“Amazing, first time doing a dolphin tour and got really lucky. Got to see a whale for the first time and numerous dolphins. Staff were really friendly and engaged. Highly recommend this tour company.”

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Caves and Dolphin Watching Cruise from Albufeira - Praia de São Rafael and Praia da Coelhinha
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Caves and Dolphin Watching Cruise from Albufeira

14.Caves and Dolphin Watching Cruise from Albufeira

★★★★★★★★★★4.5 · 1,438 reviews · 2 hours (approx.) · from $42

From Albufeira Marina, you’ll ride a nimble boat past Praia de São Rafael, Praia da Coelhinha, Praia da Marinha, and Benagil Cave. Guides such as Pedro, Vasco, Bernard, Ricardo, and Frances have led trips here. Expect a lively ride, coastal views, possible swimming, and a genuine chance, but no promise, of dolphins.

“Excellent tour. Didn’t see any dolphins as waves were too large and sea very choppy. Fast boat. Got soaked. Loved it. Frances our guide was amazing and informative and kept very busy as we had a child with sea sickness”

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Vilamoura: Benagil Cave Boat Tour with Entry&Dolphin search - Entering Benagil Cave by boat
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Vilamoura: Benagil Cave Boat Tour with Entry&Dolphin search

15.Vilamoura: Benagil Cave Boat Tour with Entry&Dolphin search

★★★★★★★★★★4.4 · 1,390 reviews · 2.5 hours · from $49

Set out from Vilamoura Marina with a Portuguese, English, Spanish, or French-speaking guide such as Angela, Eduardo, Luis, or Amanda. Your custom-built boat follows the Algarve coast, enters Benagil Cave, visits other sea caves and beaches, and searches for wild dolphins. Bring a warm layer, since the ride can feel cool even in summer.

“Great boat trip. Guides were very knowledgeable and fluent in various languages so all were catered for. The weather was cloudy and cooler than normal, but the crew looked after us and handed out waterproof coats to all that needed them. A really well run and interesting tour”

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New in Cave Boat Tours in Portugal

★ 4.5Benagil Caves and Coast Boat Tour with Swim StopFrom $2389 reviews
★ 5.0Portimão Private Boat Tour Caves Circuit and Coast Sightseeing63 reviews
★ 4.9Algarve Adventures from Lisbon + Benagil Cave Boat Tour!From $109201 reviews
★ 4.9Sesimbra: Arrábida Beaches & Caves Boat Tour with SnorkelingFrom $58191 reviews
★ 5.0Boat tour Benagil CavesFrom $32508 reviews
★ 5.0Ponta da Piedade Caves Boat TourFrom $26669 reviews
★ 4.8From Vilamoura: 2.5-Hour Benagil Cave and Dolphins Boat TourFrom $53716 reviews
★ 4.8Ponta da Piedade Caves Boat TourFrom $20743 reviews
★ 5.0Boat trip to the caves of BenagilFrom $41830 reviews
★ 4.4Dolphins and Caves 2.5-Hour Boat TripFrom $34828 reviews
★ 4.7Peniche: Berlengas Roundtrip and Glass-Bottom Boat Cave TourFrom $41825 reviews
★ 5.0Kayak Tour of Ponta da Piedade Caves on CatamaranFrom $48905 reviews
★ 4.8Benagil Caves & Coastline CruiseFrom $34899 reviews
★ 4.9From Carvoeiro: Benagil Caves and Praia da Marinha Boat TripFrom $41937 reviews
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