| Simply Cakelicious | 3981 St. Charles Parkway
Waldorf, MD 20602 | (301) 638-1496 | |
| Sky Zone Trampoline Park | 4390 Crain Highway
White Plains, MD 20695 | (301) 861-2600 | |
| Smallwood Community Center | 4990 Indian Head Hwy
Indian Head, MD 20640 | (301) 743-3020 | |
| Smallwood Retreat House | 2750 Sweden Point RoadSmallwood State Park
Marbury, MD 20658 | (301) 743-7613 | |
| Smallwood State Park | 2750 Sweden Point Road
Marbury, MD 20658 | (301) 743-7613 | |
| SMASH PIT | 41 Industrial Park Drive Unit G
Waldorf, MD 20601 | (571) 210-5030 | |
| Smokers Delight BBQ, Inc | 4550 Crain Hwy Suite 103
White Plains, MD 20695 | (301) 751-8336 | |
| Smokey Oak BBQ | various locations
La Plata, MD 20646 | | |
| Somers Community Center | 300 Willow Ln.
La Plata, MD 20646 | (301) 932-6679 | |
| Sonic Drive-In | 2055 Crain Highway
Waldorf, MD 20601 | (240) 210-8268 | |
| Southern Maryland Carousel Group, Inc. | 313 Charles Street
La Plata, MD 20622 | (301) 934-1366 | |
| Southern Maryland Concert Band | 3785 Leonardtown RdP.O. Box 2595
Waldorf, MD 20604 | | |
| Southern Maryland Crabs & Seafood | 3619 Leonardtown Road
Waldorf, MD 20601 | (240) 419-3094 | |
| Southern Maryland Paintball | 11272 Edge Hill Road
Newburg, MD 20664 | (301) 934-9207 | |
| Southern Maryland Seafood Company | 4310 Hawthorne Road
Indian Head, MD 20640 | (301) 743-6969 | |
| Southern Mix Barbershop Chorus | College Of Southern Maryland
La Plata, MD 20646 | (301) 259-2049 | |
| Southern Park | 15884 Wilson Road
Newburg, MD 20664 | (301) 932-3470 | |
| Spellbound | 3265 Leonardtown Road
Waldorf, MD 20601 | | |
| St. Burgh's Wickery | 3370 Leonardtown Road Suite 103
Waldorf, MD 20601 | | |
| St. Charles High School | 5305 Piney Church Road
Waldorf, MD 20602 | | |
