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Location: Key West, Fla.
The Skinny: Accessible only by boat, diminutive Sunset Key lies just off the western shore of Key West. Measuring just 27 acres, the island packs a Westin resort and a series of high-priced private homes onto what was built as a U.S. Navy fuel depot, a man-made isle constructed by dredging the nearby harbor. The Navy never used the island, then named Tank Island, for its intended purpose and in 1986 it fell into private hands. By 1994, it was renamed Sunset Key and vacation homes like this four-bed, four-bath beach house were built. Listed for $5.75M, the house backs up directly onto the white-sand Crescent Beach, has a double veranda facing the ocean, and a swimming pool with stunning sunset views.
· 13 Sunset Key [Trulia]