Gardiner Wright Mansion

Gardiner Wright Mansion, also known as The Marsh House, is a historic regency mansion in Georgetown, Sussex County, Delaware. It was built in 1841, and is a two-story stuccoed brick dwelling. The plan consists of two parallel rectangular sections, with a two-story brick central hall running between them. It was extensively renovated in the late-1940s. On the property are a contributing wood shed and two-level milk house.

The site was added to the National Register of Historic Places in 1979.