For the first hour, you’ll have the opportunity to enjoy the views of the beautiful rock formations, caves, and deserted beaches. Highlights: Arco do Triunfo, Gruta do Capitão, Praia do Submarino, Praia da Marinha The tour goes as far as Benagil (Cathedral Cave), which we enter and can be seen from the boat, as long as the weather and safety conditions permit, take a dive in the ocean or a swim to cool off before returning to the marina. * The boat tour can be in between 2 hours to 2 hours and 45 minutes.