Port Sulphur is a small community located in Plaquemines Parish, Louisiana. Situated along the coast of the Gulf of Mexico, the town experiences a humid subtropical climate characterized by hot, humid summers and mild winters. Summers are typically long and hot, with temperatures often reaching the 90s°F (32-37°C), while winters are mild, with temperatures rarely dropping below freezing.

The hydrology of Port Sulphur is influenced by its proximity to the Mississippi River and the Gulf of Mexico. The area is known for its extensive marshes, bayous, and wetlands, which provide a habitat for a diverse range of wildlife, including birds, fish, and alligators. The wetlands also act as natural barriers against storm surges.

Outdoor recreation opportunities in Port Sulphur are abundant. Fishing enthusiasts can enjoy both freshwater and saltwater fishing, with popular catches including redfish, speckled trout, and bass. The area is known for its excellent hunting as well, with opportunities for deer, waterfowl, and small game hunting. Boating, kayaking, and birdwatching are also popular activities, allowing visitors to explore the stunning natural beauty of the wetlands. The area's unique ecosystem and diverse wildlife make Port Sulphur a paradise for outdoor enthusiasts.