State Road 656 (SR 656), also known as 17th Street, is a two-mile-long (3.2 km) state road in Indian River County, extending from U.S. Route 1 (US 1) to SR A1A mostly inside the city limits of Vero Beach.

It is the southernmost of two crossings in Vero Beach between the mainland and the barrier island, with the other being at State Road 60 1.4 miles (2.3 km) to the north.

It passes through a commercial, then residential area before intersecting with County Road 603.

Immediately west of the Florida East Coast Railway is County Road 605.

One block west of 56th Court is Kings Highway, the western terminus of 16th Street.