The Metro Breez is an express bus service in Southern Maine, United States, provided by Greater Portland Metro. It runs thirteen times on weekdays and six times on Saturdays between Portland, the state's largest city, and Brunswick, around 30 miles (48 km) to the northeast, with stops in Yarmouth and Freeport.

The Greater Portland METRO is a regional public transportation system, established in 1966, in Southern Maine. Operated by the Greater Portland Transit District, a transit district comprising Portland, Westbrook, Falmouth, Yarmouth, Freeport, and Brunswick, the system also covers Gorham and The Maine Mall portion of South Portland.