Benagil cave tour from Faro: every trip and how long the run takes

Faro sits behind the Ria Formosa, a shallow lagoon of sandbars, channels and salt marsh that runs for sixty kilometres along the eastern Algarve. It is a beautiful piece of water and it is the opposite of the coast at Benagil.

The limestone cliffs, the caves and the arches are all west of Albufeira. Between Faro and there the shoreline is flat, sandy and protected. Boats out of Faro run into the lagoon, to the islands and the bird channels, and they are worth doing on their own terms — but they do not go anywhere near a sea cave.

So a Benagil trip from Faro is a drive plus a boat. The drive is straightforward: the A22 runs the length of the Algarve and Albufeira is about thirty-five minutes, Portimão forty-five, Lagos fifty-five.

If you have a car. Drive to Albufeira marina for the cheapest seats or Portimão for the guided kayak, park, and take a two-hour trip. Total half a day including the drive both ways.

If you do not have a car. A few operators sell trips with hotel pickup along the central Algarve. Otherwise it is a transfer or a train — the line runs Faro to Albufeira, Silves and Portimão, though the stations sit outside the towns.

If you are just landing. Faro airport is fifteen minutes from the city and on the right side of it for driving west. Plenty of people collect a hire car and go straight to a marina, which works as long as the departure is not first thing.

Five places run boats to Benagil, and the differences are smaller than the marketing suggests. Every trip reaches the same cave and every motorised trip gets the same two minutes inside it. What changes is the journey and the price.

Portimão and Armacão de Pêra are closest, so more of the trip is spent among the caves rather than getting to them. Portimão also has the widest choice of craft, including the guided kayaks.

Albufeira has the cheapest seats and the most departures, which matters in August when the first slots go early.

Lagos is furthest but adds Ponta da Piedade, which is the best stretch of coast in the region and is on no other itinerary.

Lisbon is a different product entirely: a full day with transport, of which the boat is one part.

The honest rule is to leave from wherever you are sleeping. The drive to a marginally better port costs more in fuel, parking and morning than it returns.

Whichever port you leave from, the rules at the cave are the same. A motorised boat may stay two minutes inside Algar de Benagil; a guided group of kayaks or paddleboards may stay eight. Up to three motorised craft under twelve metres may be inside at once, or one larger craft alone, and up to seven non-motorised craft entering through the eastern arch.

Landing on the sand inside is prohibited, as is entering by swimming or on any unpowered float, diving in or near the cave, and navigating there between sunset and sunrise. None of this is at the operator’s discretion — it is set out in Edital 019/2024 of the Portimão harbour master, and the fines start at €300.