Stirrup Key is an exclusive gated residential community situated on Stirrup Key in Marathon, Florida, within the scenic Florida Keys. Spanning about 60 acres with 98 residential lots, it provides a private, waterfront lifestyle surrounded by mangroves and Gulf waters. The community features extensive common areas including over a mile of roads, two lakes, a five-acre lagoon, and a protected 61-slip marina with seawall and boat launch, all maintained by the self-managed homeowners association.

Residents benefit from 24/7 security via an electronic gate and video-monitored gatehouse, ensuring privacy in this intimate enclave. The setting emphasizes natural beauty with native vegetation and direct water access ideal for boating, fishing, and enjoying the Keys lifestyle. Properties often include elevated homes with water views, deeded boat slips, and private docks. The community's compact size fosters a close-knit feel while offering luxury amenities focused on marine recreation rather than extensive land-based facilities like pools or clubhouses (though a separate condominium section may have additional features such as a pool).

Notable for its affordability relative to other gated Keys communities, Stirrup Key attracts those seeking a secure, low-density neighborhood with exceptional boating infrastructure. Its location near mile marker 52.5 on the Gulf side provides convenient access to Marathon's amenities, dining, and the Overseas Highway, making it both secluded and accessible. Overall, Stirrup Key delivers a quintessential Florida Keys experience centered on water, security, and owner-managed community living.