This Self-Sustaining Private Island in Florida Can Be Yours for $17M

Living off the grid often means having plenty of privacy, but it rarely comes with luxuries like a pickleball court, saltwater pool, and a private marina. That’s exactly what Howell Key, a nearly 10-acre private island in the Florida Keys, offers.

Accessible only by boat or helicopter, the island feels far removed from the mainland despite being just a five-minute ride from Summerland Key. At the center of the island is a 3,400-square-foot home with five bedrooms and four…