Half an hour by ferry from Ibiza, Formentera moves at bicycle pace, and Ses Illetes is its crown: a Caribbean-flat lagoon of pale turquoise over white sand, with views across to the islet of Espalmador. It gets busy in August, but the water is so shallow and wide that it rarely feels crowded once you're in. Hire a bike at the port and make a day of the whole peninsula.
Featured in Ten dreamy beaches for your next summer escape · Beach