Apartments For Rent On Okaloosa Island Florida . How expensive is it to rent an apartment in okaloosa island, fort walton beach, fl? Let apartment finder guide you in the process of finding your new home and. Islander 10702 UPDATED 2020 Studio Apartment in Fort Walton Beach from www.tripadvisor.com Don't miss what's happening in your neighborhood. Okaloosa island, fl apartments for rent. See all 1,091 apartments in okaloosa island, fl with a balcony currently available for rent.