Tubbs Branch (Deep Creek tributary)

Concord is an unincorporated community in Sussex County, Delaware, United States. Concord is located along Delaware Route 20, east of Seaford. Concord, Sussex County, Delaware should not be confused with Concord, New Castle County, Delaware; the latter is a populated place located in Wilmington, bordering the northern edge of the city along Delaware Route 202.

Cool Branch is a 2.85 mi (4.59 km) long 2nd order tributary to Tubbs Branch in Sussex County, Delaware.

Baker Mill Branch is a 3.53 mi (5.68 km) long 2nd order tributary to Deep Creek in Sussex County, Delaware. This is the only stream of this name in the United States.

Middleford is an unincorporated community in Sussex County, Delaware, United States. Middleford is located at the intersection of Old Furnace Road and Middleford Road, northeast of Seaford.

E. L. Hitch Potato House is a historic potato house located near Laurel, Sussex County, Delaware. It one of the last surviving examples of its building type. It was built about 1920, and is a 1+1⁄2-story, gable fronted, balloon frame structure. It retains a number of important elements characteristic of potato house including: minimal fenestration, triple siding, interior and exterior doors, tightly shuttered windows, interior chimney, and storage bins.It was placed on the National Register of Historic Places in 1990.

Lawrence was a historic home located near Seaford, Sussex County, Delaware. It was built about 1840, as a three-story, three-bay, frame structure with a gable roof. It has a rear service wing. It featured a front portico supported by four square columns. Original details, including hardware, flooring, trim, and landscaping, survived throughout the house and grounds.It was added to the National Register of Historic Places in 1978. It is listed on the Delaware Cultural and Historic Resources GIS system as destroyed.

Clear Brook is a 23.02 mi (37.05 km) long tributary to the Nanticoke River in Sussex County, Delaware. It joins the Nanticoke at "Williams Pond" in the City of Seaford, Delaware.

Seaford Hundred is a hundred in Sussex County, Delaware, United States. Seaford Hundred was formed in 1869 from Northwest Fork Hundred. Its primary community is Seaford.

Jesse Robinson House was a historic home located at Seaford, Sussex County, Delaware, United States. It consisted of two sections: the rear wing, built about 1820 as a single-pile, one-room-plan frame house, and the front section, added about 1860 as a two-story single-pile, center-hall-plan frame structure. Five bays in width and resting on a brick foundation, it had design elements that mixed the Greek Revival and Italianate styles.It was added to the National Register of Historic Places in 1982.

Gravelly Branch is a 13.12 mi (21.11 km) long 4th order tributary to the Nanticoke River in Sussex County, Delaware.

The St. Luke's Protestant Episcopal Church is a historic Episcopal church located in Seaford, Sussex County, Delaware. It was built in 1843, and reconstructed in 1904. It is a two-story, brick Gothic Revival style building. It has a one-story chancel and crenellated three-story tower. It features stained glass lancet windows. Concrete buttresses were installed in 1943. St. Luke's was organized by the Rev. Corry Chambers in 1835, from the remnants of the former St. Mary's congregation. St. Mary's was founded in 1704, but disestablished after the American Revolution. Delaware Governor William H. H. Ross (1814-1887) is buried in the churchyard. It was listed on the National Register of Historic Places in 1977.

Nanticoke Hundred is a hundred in Sussex County, Delaware, United States. Nanticoke Hundred was formed in 1775 from Somerset County, Maryland.