Enjoy waterfront living in a home in South Causeway Isles of St Petersburg Florida. These homes are on finger islands nestled between Gulfport and Treasure Island Beach. You have direct access to the Intracoastal Waterway right in your own back yard! Head south for a few miles and you also have access to the Gulf of Mexico to the west and Tampa Bay to the east. South Causeway Isles is truly a boater's paradise.