- Madison Arts Center (Pittsburgh Playwrights Theater)
- 3401 Milwaukee Street, Pittsburgh, PA, 15219
- Mammoth Park
- 171 County Park Road, Mt. Pleasant, PA, 15666
- Manchester Craftsmen's Guild & MCG Jazz
- 1815 Metropolitan Street, Pittsburgh, PA, 15233
- Manor Theatre
- 1729 Murray Avenue, Pittsburgh, PA, 15217
- Manos Gallery
- 320 East 5th Avenue, Tarentum, PA, 15084
- Market Square
- Market Square, Pittsburgh, PA, 15222
- Mattress Factory
- 500 Sampsonia Way, Pittsburgh, PA, 15212
- Maverick Hotel
- 120 South Whitfield Street, Pittsburgh, PA, 15206
- McBride Park
- 1785 McBride Street, Pittsburgh, PA, 15207
- McCormick - McCue Mansion
- 417 Coyle Curtin Road, Monongahela, PA