Reedy Island

The Baker Shoal Range Front Light was a lighthouse in Delaware, United States, on the Delaware River at Port Penn.

Port Penn Historic District is a national historic district located at Port Penn, New Castle County, Delaware. It encompasses 48 contributing buildings and 5 contributing sites in the original eight block town plan and one block 19th century extension of Port Penn. The earliest building is the Dr. David Stewart House, dated to 1755. Notable buildings include the Bunlap, or Bendler House (1790s), the Cleaver-Hall House, Eaton House, Presbyterian Parsonage, T. Cleaver House, S. Carpenter House (bef. 1830), Port Penn School, "Linden Hall" (late 1840s ), Commodore's House, Jackson House (c. 1810), Presbyterian Church, Joseph Cleaver House (c. 1835), and St. Daniel's Methodist Church.It was listed on the National Register of Historic Places in 1978.

Port Penn is a census-designated place located in St. Georges Hundred, southern New Castle County, Delaware, United States, below the Chesapeake and Delaware Canal on the west bank of the Delaware River. Port Penn is home to the Port Penn Interpretive Center. Its population is estimated at 252.

Augustine Beach is an unincorporated community in New Castle County, Delaware, United States. Augustine Beach is located on the west bank of the Delaware River along Delaware Route 9, northeast of Odessa.

Augustine Beach Hotel is a historic hotel located at Augustine Beach near Port Penn, New Castle County, Delaware. It was erected about 1814, and is a two-story, six bay by three bay, brick building with a gable roof. It has a hipped roof porch and a five bay, shed-roofed brick dependency. Its peak period of use was between about 1870 and 1920. The Hotel derives its name from one of the most colorful of Delaware's early inhabitants, Augustine Herrmann.It was listed on the National Register of Historic Places in 1973.

Ashton Historic District is a national historic district located near Port Penn, New Castle County, Delaware, United States. It encompasses six contributing buildings associated with an original settler and his immediate descendants on early land grant in St. Georges Hundred. The three structures associated with the early occupation are the Robert Ashton House, the Joseph Ashton House, and the John Ashton House. The Robert Ashton House, probably the earliest of the group, is a frame, five-bay, single-pile, gambrel-roofed building with shed-roofed dormers. The Joseph Ashton House, consists of an early-18th-century two-story, three-bay, hall-and-parlor-plan brick structure with a late-18th or early-19th century brick wing. The John Ashton House, consists of a brick, early-18th century two-story, three-bay, hall-and-parlor-plan house with a frame wing.It was listed on the National Register of Historic Places in 1978.

Augustine Creek is a 4.54 mi (7.31 km) long tributary of Delaware Bay in New Castle County, Delaware. Augustine Creek is tidal for most of its course.

Robert Grose House is a historic home located near Port Penn, New Castle County, Delaware. It was built in the late-19th century, and is a two-story, two-bay, side-gable, one-room plan frame building with a 1+1⁄2-story, shed-roofed frame wing. It has an additional one-story, shed-roofed frame addition on the south elevation and a one-story, shed-roofed porch dated to the first quarter of the 20th century. The house is a typical example for a physically identifiable vernacular property type, identified as a "House and Garden".It was listed on the National Register of Historic Places in 2001.

Dilworth House is a historic home located at Port Penn, New Castle County, Delaware. The earliest section of the house dates to the late-17th century. It was built in two sections; the west section being the oldest. It consists of two separate, 2+1⁄2-story brick sections, each three bays wide. The house features diapered brickwork. A frame rear wing was added in the second half of the 19th century. The Dilworth House is a rare surviving specimen of an early Delaware yeoman's house.It was listed on the National Register of Historic Places in 1973.

Liston Range Front Lighthouse is a lighthouse in Delaware, United States, on the Delaware River. It is a range light, paired with the Liston Range Rear Light, to create the Liston Range.

Silver Run is a 3.03 mi (4.88 km) long tributary to Delaware Bay in New Castle County, Delaware. Silver Run is tidal for most of its course and drains a large part of Augustine Wildlife Area.

Artificial Island is a U.S. island located along the eastern shore of the Delaware River, mostly in southwestern New Jersey with a tiny portion inside Delaware's boundaries. It is part of both Lower Alloways Creek Township, Salem County, New Jersey and New Castle County, Delaware. The island is separated from mainland New Jersey by Alloway Creek and Hope Creek. It is called "artificial" since portions of the island are composed of land reclaimed from Delaware Bay.