WNSX (97.7 MHz Star 97.7) is a commercial FM radio station broadcasting a classic hits radio format. The station signed on in 1999 as WNSX. Licensed to Winter Harbor, Maine, the station's studios and offices are on Maine State Route 3 (High Street) in Ellsworth. It serves Downeast Maine, including Ellsworth, Bar Harbor, Bucksport, and Machias. WNSX's transmitter is off Tunk Lake Road in Sullivan. The station's primary signal serves Hancock and Washington Counties. Its main competitors are classic rock 95.7 WWMJ Ellsworth and classic hits 107.7 WBKA in Bar Harbor.