| Thomas Stone National Historic Site | 6655 Rose Hill Road
Port Tobacco, MD 20677 | (301) 392-1776 | |
| Thomas Stone Outdoor Pool | 3785 Leonardtown Rd.
Waldorf, MD 20601 | (301) 934-9305 | |
| Three Brothers Italian Restaurant (Waldorf) | 3069 Waldorf Market Place
Waldorf, MD 20603 | (301) 632-5800 | |
| Tide Mill Resort | 7880 Mill Creek Road
Benedict, MD 20612 | (844) 843-3645 | |
| Tilghman Lake Park | 10598 Box Elder Road
La Plata, MD 20646 | (301) 934-8421 | |
| TJ's Soul Food Kitchen | 4451 Crain HighwayUnit # 104
White Plains, MD 20695 | (301) 632-6100 | |
| Tony's Pizza and Chicken | 34 High StreetSmallwood Village Shopping Center
Waldorf, MD 20602 | (240) 222-3328 | |
| Town of Indian Head | 4195 Indian Head Highway
Indian Head, MD 20640 | (301) 743-5511 | |
| Town of La Plata | 305 Queen Anne StreetP.O. Box 2268
La Plata, MD 20646 | (301) 934-8421 | |
| Tpot Hot Pot & Korean BBQ | 3016 Waldorf Market Place
Waldorf, MD 20603 | | |
| Travel Leaders/Action Travel Tours | 3290 Old Washington Road
Waldorf, MD 20602 | (301) 645-1770 | |
| Trek Bicycle Waldorf | 3200 Leonardtown Road
Waldorf, MD 20601 | (301) 932-9980 | |
| Trinity Baptist Church Hall | 2671 Mattawoman-Beantown Road
Waldorf, MD 20601 | | |
| Trinity Church Hall, Newport | 9560 Trinity Church Road
Charlotte Hall, MD 20622 | | |
| Trinity Episcopal Church Hall | 9611 Trinity Church Road
Charlotte Hall, MD 20622 | | |
| Tropical Smoothie Cafe | 105 Drury Lane
La Plata, MD 20646 | (240) 901-2943 | |
| Tropical Smoothie Cafe | 3390 Leonardtown Road
Waldorf, MD 20601 | (301) 638-3291 | |
| Turkey Hill Park | 9430 Turkey Hill Road
La Plata, MD 20646 | | |
| Turkey Hill Park | 4390 Crain Highway
White Plains, MD 20695 | (301) 932-3470 | |
| U.S. 301 Park & Ride (901) | U.S. 301 & Smallwood Drive West
Waldorf, MD 20602 | | |