In 1997, Centerbrook designed a Master Plan for a new 300-acre town, called Belmont Bay, on a spectacular waterfront site between the Occoquon Bay National Wildlife Refuge and Leesylvania State Park. The town's design employs the principles of New Urbanism and is developed on a traditional street grid around a small harbor.
Conceived of as a high density, mixed-use development, Belmont Bay is located on one of the most prominent properties in the Washington metropolitan area. The town center's neighborhood streets, public spaces and building architecture, were developed to promote variety while not overwhelming the natural beauty of the area.