Sheryl Subdivision, also known as Sheryl Sub (50.5), is a charming residential community situated in the heart of Marathon in the Florida Keys at approximately mile marker 50.5. This ocean-side neighborhood features a mix of single-family homes and half-duplexes, many with direct waterfront access, docks, and rip-rap or seawalls. The area offers a quintessential Keys lifestyle centered around boating, fishing, and enjoying the turquoise waters of the Atlantic Ocean.

The subdivision is characterized by its convenient location, providing easy access to both the open ocean and local amenities in Marathon. Homes are often renovated with modern coastal finishes, impact windows, and open-concept living spaces suited to the tropical climate. Many properties are turnkey and furnished, appealing to buyers seeking immediate occupancy or strong rental potential, as short-term rentals are allowed.

Community features enhance the relaxed island vibe, including shared amenities such as a swimming pool, tiki hut, clubhouse for gatherings, a boat ramp for easy water access, a paved jetty path leading to open water, and boat trailer storage. These facilities support an active outdoor lifestyle focused on water sports and recreation.

Overall, Sheryl Sub represents a desirable slice of Marathon living—private yet connected, with a focus on waterfront enjoyment in a compact, established neighborhood. It attracts residents and investors who value the unique Florida Keys environment, proximity to the water, and the freedom of minimal community oversight.