WBYA (105.5 FM; "The Wolf") is a radio station licensed to Islesboro, Maine, United States.

The station went on the air as WAYD in February 1999,[3] programming an adult standards format branded as "The Bay".

[8][9] Mariner kept the standards format, but dropped locally-produced programming in favor of the Music of Your Life service.

[11] WBYA simulcast the morning show of Portland sister WFNK, and in addition to the classic hits format broadcast local high school basketball games and Boston Red Sox baseball.

[18] Following the format changes, WBYA retained Boston Red Sox broadcasts, while its high school basketball coverage was transferred to WBQX.