In 1829 a harbour was built for the increasing number of vessels involved in the oyster dredging fishery which eventually collapsed at the end of the 19th century.
During the Napoleonic era, a fort was built on the headland to the north of the harbour and was backed by a garrison stationed at Le Couperon barracks in Rozel Bay.
The barracks were built in 1810, sold to a private owner in 1924 and converted into a hotel run by the Sharp family in the 1950s.
[2] Le Moulin de Rozel was a mill built in 1799, dismantled in 1916 and later converted to an artillery observation post by the Germans in the occupation of the Channel Islands.
Chateau La Chaire lies in a valley where Samuel Curtis built a house and established a botanical garden in 1841.