Sugarloaf Key is a laid-back Florida Keys island known for its unspoiled backcountry waters, rich wildlife, and easy access to world-class fishing and kayaking.
Sugarloaf Key sits in the Lower Keys, roughly midway between Marathon and Key West, and it carries a character distinct from its more visited neighbors. The island takes its name from the sugarloaf-shaped mounds found in the area, and its history includes one of the more unusual chapters in Keys lore: a bat tower built in the 1920s by land developer Richter Perky, who hoped the bats would control the mosquito population. The tower still stands near the shore and remains a curious landmark worth a short detour.
The surrounding waters are the real draw. The backcountry flats on the Gulf side offer some of the finest shallow-water fishing in the Florida Keys, drawing anglers after bonefish, tarpon, and permit. Guided fishing charters operate from nearby marinas, and the calm, clear shallows are equally well suited to kayaking and paddleboarding among the mangrove islands.
Offshore, the Atlantic side gives access to reef systems where snorkeling reveals elkhorn coral and tropical fish in vivid color. Wildlife sightings on and around Sugarloaf Key are common, from bottlenose dolphins cruising the channels to roseate spoonbills picking through the shallows. For travelers who want the natural beauty of the Keys without the crowds, Sugarloaf Key delivers something genuinely unhurried.
Visit during the cooler months between November and March to avoid summer heat and mosquitoes, which can be intense near the mangroves.
Bring a kayak or rent one locally to explore the shallow backcountry flats that surround the island at your own pace.
Try your hand at flats fishing for bonefish and permit, species for which these waters are legendary among anglers.
Head out before sunrise to catch wading birds and osprey actively hunting along the mangrove edges before boat traffic picks up.
Pack reef-safe sunscreen and plenty of water, as shade is scarce on the open flats and the subtropical sun is strong year-round.
GPS-guided tritoon cruising with walk-up water access
Take the helm of a GPS-equipped center console for daytime Keys boating
GPS-guided center console for Keys exploration