Maritime Broadcasting System Limited, branded as MBS Radio, is a private Canadian broadcasting company owning 26 radio stations serving several communities in Nova Scotia, Prince Edward Island, and New Brunswick.

MBS Radio was established in 1969 as Eastern Broadcasting Limited in Campbellton, New Brunswick and is currently owned by Rob Pace.

On October 28, 2011, Maritime Broadcasting System Ltd. applied to the CRTC to operate a new country FM radio station at Miramichi, New Brunswick.

MBS planned on operating the station at 102.5 MHz, but the CRTC denied the request.

On February 8, 2024, MBS announced that it would acquire five stations in New Brunswick and Nova Scotia from Bell Media, including CIKX-FM, CJCJ-FM, CKBC-FM, CKTO-FM, and CKTY-FM.