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Last reviewed · 30 July 2026
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What to expect
The most-booked Algarve boat tour: a fast catamaran along the Benagil cliffs, into the famous cathedral cave and past the double arches of Praia da Marinha with dolphin spotting on the way back.
Benagil cave · Marinha arches · dolphin spotting Departures run from Portugal, and the whole experience takes about 2.5 hours — enough to fit it into a single day of a wider Portugal itinerary.
Location & duration
- Where
- Portugal
- Region
- Portugal
- Duration
- 2.5 hours
Good to know
- ◆Benagil cave entry
- ◆Praia da Marinha arches
- ◆Dolphin spotting
- ◆Free swim stop
Questions travellers ask
- Where does the Benagil Cave & Algarve coast boat tour from Portimão take place?
- The experience runs in Portugal (Portugal). Exact meeting point and pick-up options are confirmed by the operator when you book.
- How long does it last?
- Around 2.5 hours, including transfers and free time where applicable.
- Is it worth booking in advance?
- Yes. It is one of the most reviewed excursions in Portugal (8,600 reviews, 4.7/5) and sells out in high season. Booking is free to cancel up to 24 hours before.
- Can I cancel or pay later?
- Free cancellation up to 24 hours before the start time, with reserve-now-pay-later on most dates and instant confirmation.