The Cul-de-Sac River is a small waterway located in the Caribbean, specifically on the island of Saint Martin. It flows into the larger Simpson Bay Lagoon and is known for its calm waters and scenic surroundings. The river is a popular spot for recreational activities such as kayaking and paddleboarding. The river's name, which translates to "bottom of the bag" in French, reflects its unique shape. The area around the Cul-de-Sac River is rich in biodiversity, featuring various species of plants and wildlife. It serves as an important habitat for local marine life and contributes to the island's natural beauty.