Saint-Laurent-du-Maroni is a city in French Guiana.
The Camp de la Transportation on rue Tanon is Saint-Laurent's reason for being. It's where prisoners (including the famous Papillon) arrived for processing. Guided tours only (90 minutes, €9). Most guides speak some English. The tour includes the cells and public execution areas.
Rent a canoe from Maroni Club on Esplanade Baudin Tel 23-52-51.
Tropic-Cata give boat tours Tel 34-25-18.