- Main Street
- Maple Heights Drive
- Margaret Street
- Marina Road
- Marshall Drive
- Mary Street North
- Mary Street South
- Matts Road
- McAulay Road
- McKenzie Road
- McKenzie Street
- McPherson Street
- Mejemi Lane
- Merkley Road
- Mitchell Lane
- Moody Drive
- Muldrew Lake Road North
- Muriel Crescent
- Muskoka Bay Boulevard
- Muskoka Beach Road
- Muskoka Road 169
- Muskoka Road North
- Muskoka Road South
- Musquash Road