| LongHorn Steakhouse | 3315 Crain Highway
Waldorf, MD 20603 | (301) 632-6300 | |
| Loyola Retreat House | 9720 Loyola Retreat Road
Faulkner, MD 20632 | (301) 392-0801 | |
| Lucky's Bar & Grille | 2290 Old Washington Road
Waldorf, MD 20601 | (240) 210-8191 | |
| Lunch Box Diner | 6828 Indian Head Highway
Bryans Road, MD 20616 | | |
| M&D Chicken and Fish | 3091 Marshall Hall Road
Bryans Road, MD 20616 | (240) 377-8094 | |
| M&T Bank Stadium | 1101 Russell Street
Baltimore, MD 21230 | | |
| MadByrd Confections | Various Locations in Charles County
La Plata, MD 20646 | | |
| Malcolm Elementary School | 14760 Poplar Hill Road
Waldorf, MD 20601 | (301) 645-2691 | |
| Mallows Bay Park | 1440 Wilson Landing Rd.
Nanjemoy, MD 20662 | | |
| Mallows Bay Park | 1440 Wilson Landing Rd.
Nanjemoy, MD 20662 | (301) 932-3470 | |
| Marco's Pizza | 3722 Crain Hwy Suite 114
Waldorf, MD 20603 | | |
| Marie's Diner | 6325 Crain Highway
La Plata, MD 20646 | (301) 932-6884 | |
| Market at The Charles | 417 Charles St.
La Plata, MD 20646 | | |
| Marshall Hall | 1005 Marshall Hall Rd
Bryans Rd, MD 20616 | (301) 932-3470 | |
| Marshall Hall Boat Ramp | 1005 Marshall Hall Road
Bryans Road, MD 20616 | (301) 932-3470 | |
| Martini's Restaurant & Lounge | 10553 Theodore Green Boulevard
White Plains, MD 20695 | (301) 343-2058 | |
| Martin's Soul Food & BBQ | 11481 Berry Road
Waldorf, MD 20603 | (301) 375-7247 | |
| Mary B. Neal Elementary School | 12105 St. George's Drive
Waldorf, MD 20602 | | |
| Mary H. Matula Elementary School | 6025 Radio Station Road
La Plata, MD 20646 | | |
| Maryland Department of Natural Resources Southern Region Waldorf Office (Area 4) | 2160 Old Washington Road
Waldorf, MD 20601 | (800) 628-9944 | |
