Lower Sugarloaf Sound is a secluded, mangrove-lined saltwater bay located in Monroe County, Florida, just south of Sugarloaf Key. This coastal sound is characterized by shallow, sandy flats and marshy areas, creating a complex environment ideal for kayaking and paddleboarding. The primary launch point for paddlers is Sammy Creek Landing, which provides direct access to the sound. The surrounding area features undeveloped islands and a network of connecting channels, including Lower Sugarloaf Channel and Harris Channel to the north. Paddlers should be aware of boat traffic, particularly in these channels, which serve as routes for powerboats. The waters are generally protected by the mangrove shoreline, but open sections can be exposed to wind. A significant historical landmark visible from the water is the Bat Tower, a structure built in the early 1900s that stands as a historic landmark on Lower Sugarloaf Key. The sound connects to Florida Bay and the Gulf of Mexico via Sugarloaf Creek, meaning tidal currents are a factor for trip planning; paddlers must consider tide stages when navigating the shallow flats and creek. The area is rich in wildlife, including bonefish, permit, tarpon, and barracuda, and the dense mangrove forests provide habitat for diverse flora and fauna. Facilities are limited, with the main amenity being the launch at Sammy Creek. Several nearby vacation rentals offer complimentary kayaks and access to community boat ramps, providing alternative starting points.