Sentinel of Landmark Condominiums is a living community in Alexandria. It offers one- and two-bedroom floor plan condos, with private balconies, washer/dryer, dishwasher, electric range oven and cable television. The community has evening and nighttime patrol service, fenced-in yards, secured storage area, assigned parking and is pet-friendly. The community also features an outdoor pool, tennis courts, a playground, a fitness center and a gazebo with patio and grills. It also has its own market.