Okaloosa Island is an unincorporated beach community on Santa Rosa Island in Okaloosa County, Florida. The east end of the island is home to most residences of the island. The north side of the small Island features mostly single family homes and the south side mostly high-rise vacation condos. The extreme west end of the island is occupied by a Military installment closed to public access. With no through traffic, Okaloosa Island can be a very peaceful place to live and vacation. There is no shortage of entertainment on Okaloosa Island. Be sure to visit the Boardwalk and the natural saltwater aquarium.