Grand Cul-de-Sac (French pronunciation: [ɡʁɑ̃ ky d(ə) sak]) is a quartier of Saint Barthélemy, Caribbean. It is located in the northeastern part of the island.

Grand Cul-de-Sac
Quartier
The quartier of Grand Cul-de-Sac marked 35.
The quartier of Grand Cul-de-Sac marked 35.
Coordinates: 17°54′29″N 62°48′21″W / 17.90806°N 62.80583°W / 17.90806; -62.80583
Country France
Overseas collectivity Saint Barthélemy