State Road 72 (SR 72) is a state highway in DeSoto and Sarasota County, Florida. It is the most direct route to Siesta Key when traveling west on SR 70 from Arcadia and Fort Pierce.The western terminus is with an intersection with SR 758 in Siesta Key. West of U.S. Route 41, the road is 4 lanes wide to get over Sarasota Bay on the Stickney Point Bridge. It crosses the Myakka River and provides access to Myakka River State Park.