Go-karting, escape rooms, a night out in town... the classic stag party ideas, everyone knows them. A stag do on a boat in the Parc National des Calanques is a different league entirely. Speed, freedom, sunshine, swimming in coves you will not find on any tourist map, and guaranteed good times on board. L'Eden Boat offers full private charter of its semi-rigid boats departing from La Ciotat and Cassis. Here are 5 reasons why this is the stag party the groom will never forget.