You must do in Algarve it is to take a boat tour to see the amazing sea caves in the Cabo Carvoeiro area! The Benagil cave, also known as Algar de Benagil, is the most famous of all the sea caves of Algarve. And yes, it is as beautiful as it looks in the pictures. This trip departs daily from Vilamoura Marina at travels to the caves and then on the return you will experience the stillness and the breathtaking Algarve sunset.