Under contract-accepting backup offers. An incredible opportunity awaits at 5303 Avenida Del Mare! This expansive 13,630 sq. ft. lot offers endless possibilities—build your sprawling dream home or take advantage of the original two-lot configuration to develop two stunning residences. Located in a prime location, less than half a mile from world-famous Siesta Key Beach, and priced at $1,145,000—well below comparable active listings, this is a rare chance to maximize value in a highly desirable area. Don't miss out on this exceptional investment!