Balboa Island is an area of Newport Beach, California, actually comprising three modified or artificial islands in Newport Harbor: Balboa Island (33°36′23″N117°53′40″W), the largest; the smaller Little Balboa Island (33°36′23″N117°53′16″W), to the east of Balboa Island, joined by a two-lane bridge; and the smallest Collins Isle (33°36′31″N117°54′1″W), to the northwest of Balboa Island, joined by a one-lane bridge.