Pontchartrain Beach is an artificial reef site located in the United States. The area features a sandy bottom interspersed with submerged riprap and old structural remains. Snorkelling here is generally suited for intermediate participants due to moderate currents and variable visibility ranging from 1 to 3 metres. The site is accessed via a shore entry, with depths typically between 1 and 5 metres, averaging 3 metres. Hazards at this location include surf, strong currents, and the presence of crocodiles. Please note that the site is currently officially closed to the public.

Fontainebleau State Park Beach offers a shallow, sandy-bottom entry point on the North Shore of Lake Pontchartrain. This site is suitable for beginners, with depths ranging from 1 to 5 metres and an average depth of 3 metres. Divers and snorkellers can expect mild currents and visibility between 2 and 5 metres. The habitat supports various temperate freshwater fish and invertebrates. Due to the shallow nature of the area, it is primarily used for observing small crabs and minnows in the shallows. Hazards include boat traffic and low visibility. Facilities available at the park include parking, toilets, and showers.