William and Margaret Mecum House

The Supawna Meadows National Wildlife Refuge is a component of the Delaware River estuary in Salem County, New Jersey, it is just north of the Salem River and south of Pennsville. The Delaware Bay and estuary are wetlands of international importance and an international shorebird reserve. The refuge currently owns approximately 3,000 acres (12 km2) within the 4,600-acre (19 km2) approved boundary. The brackish water tidal marshes and coastal forests that make up nearly 80 percent of the refuge provide waterfowl with a feeding and resting area, particularly during the fall and spring migrations. American black ducks, mallards and northern pintails are common winter visitors. Sandpipers and other shorebirds use the refuge marshes as a feeding area during the summer as well as during the spring and fall migrations. The rookery at nearby Pea Patch Island hosts over 6,000 pairs of nine species, making it the largest rookery of colonial wading birds on the east coast north of Florida. The refuge marshes provide valuable foraging habitat for these colonial wading birds during the nesting season. Warblers, sparrows and other migratory birds use the upland areas of the refuge as resting and feeding areas during migration and for nesting during the summer. Thousands of tree swallows forage on the refuge in the late summer. Ospreys, bald eagle, northern harrier, short-eared owl and barn owl nest on the refuge. Supawna meadows lies in the Southeastern mixed forests ecoregion. There are stands of southern wild rice here too.

Penns Neck is a cape, or headland, extending into the Delaware River and is located in Pennsville Township, Salem County, New Jersey. The area was named after William Penn.

The Finns Point Range Rear Light is a lighthouse in Pennsville Township, Salem County, New Jersey. It is located just east of the Delaware River and was part of Range light pair that guided ships into the Delaware River. It is deactivated, and its lamp and lens have been removed, but the lighthouse is open to the public as part of a National Wildlife Refuge. It was designed and built in 1877 and is a classic example of a skeletal cast iron prefabricated lighthouse. Its companion Front range light was demolished and replaced with an offshore automated light in 1938. Both the Rear and replacement Front lights were deactivated in 1950.

Finn's Point Rear Range Light is located at the intersection of Fort Mott and Lighthouse roads on Finns Point in Pennsville Township of Salem County, New Jersey. The range light was added to the National Register of Historic Places on August 30, 1978, for its significance in engineering. It has been incorporated into the Supawna Meadows National Wildlife Refuge.

Pennsville Township is a township in Salem County, in the U.S. state of New Jersey. The township is named for William Penn. The township includes the state's westernmost point. As of the 2020 United States census, the township's population was 12,684, a decrease of 725 (−5.4%) from the 2010 census count of 13,409, which in turn reflected an increase of 215 (+1.6%) from the 13,194 counted in the 2000 census.The township had the 24th-highest property tax rate in New Jersey, with an equalized rate of 4.285% in 2020, compared to 3.476% in the county as a whole and a statewide average of 2.279%. The township, and all of Salem County, is part of South Jersey and of the Philadelphia-Wilmington-Camden, PA-NJ-DE-MD combined statistical area, also known as the Delaware Valley or Philadelphia metropolitan area.

Fort Mott, located in Pennsville, Salem County, New Jersey, United States, was part of the Harbor Defenses of the Delaware, a three-fort defense system designed for the Delaware River during the Reconstruction era and Endicott program modernization periods following the American Civil War and in the 1890s. The other two forts in the system were Fort Delaware on Pea Patch Island and Fort DuPont in Delaware City, Delaware. It was active for the Spanish American War and World War I. It was closed in 1944, and sold to the state of New Jersey to become Fort Mott State Park.

Finn's Point National Cemetery is a United States National Cemetery located in Pennsville Township, Salem County, New Jersey, United States. It encompasses 4.6 acres (1.9 ha), and as of February 2009, had 3,033 interments. Adjacent to Fort Mott, it is governed by the United States Department of Veterans Affairs and administered by the Washington Crossing National Cemetery.

Pennsville Memorial High School is comprehensive community public high school in Pennsville Township, Salem County, in the U.S. state of New Jersey, that serves students in ninth through twelfth grades as the lone secondary school of the Pennsville School District. As of the 2022–23 school year, the school had an enrollment of 462 students and 45.4 classroom teachers (on an FTE basis), for a student–teacher ratio of 10.2:1. There were 103 students (22.3% of enrollment) eligible for free lunch and 33 (7.1% of students) eligible for reduced-cost lunch.The Music Academy (composed of a Vocal and Instrumental Academy) and the Academy of Graphic Design in Multimedia Technology are located in the school facilities. Both of these academies are institutions hosted by Pennsville Memorial through the Salem County Vocational Technical Schools.Starting with the 2014–15 school year, the school operates on a four-block A day and a four-block B day day schedule. Each class period is 90 minutes long. The school day officially begins at 7:40 a.m., and students are dismissed at 2:15 p.m. Lunch periods are 30 minutes in duration. The school had previously had nine periods of classes that were 41 minutes each (including lunch) prior to the 2014–2015 school year.

The Pennsville School District is a comprehensive community public school district, that serves students in kindergarten through twelfth grade from Pennsville Township, in Salem County, New Jersey, United States. As of the 2021–22 school year, the district, comprised of five schools, had an enrollment of 1,809 students and 166.9 classroom teachers (on an FTE basis), for a student–teacher ratio of 10.8:1.The district is classified by the New Jersey Department of Education as being in District Factor Group "CD", the sixth-highest of eight groupings. District Factor Groups organize districts statewide to allow comparison by common socioeconomic characteristics of the local districts. From lowest socioeconomic status to highest, the categories are A, B, CD, DE, FG, GH, I and J.

Pennsville is an unincorporated community and census-designated place (CDP) located within Pennsville Township, in Salem County, in the U.S. state of New Jersey. As of the 2010 United States Census, the CDP's population was 11,888.Pennsville CDP and Pennsville Township are not coextensive, with the CDP covering 42.4% of the 24.588 miles (39.571 km) of the township as a whole.

Finns Point is a small promontory in Pennsville Township, Salem County, New Jersey, and New Castle County, Delaware, located at the southwest corner of the cape of Penns Neck, on the east bank of the Delaware River near its mouth on Delaware Bay. Due to the wording of the original charter defining the boundaries of New Jersey and Delaware, part of the promontory is actually enclosed within the state of Delaware's border, due to tidal flow and the manner in which the borders between New Jersey and Delaware were first laid out. Therefore, this portion of Finns Point, also called The Baja, is an exclave of Delaware, cut off from the rest of the state by Delaware Bay. The area is about 10 miles (16 km) south of the city of Wilmington, and directly across the Delaware River from the New Castle area, and the Delaware River entrance to the Chesapeake & Delaware Canal. Pea Patch Island, part of the state of Delaware, sits in the channel of the river facing the promontory. The area in Delaware was previously protected as Killcohook National Wildlife Refuge but is now a confined disposal facility used by the U.S. Army Corps of Engineers.

Killcohook National Wildlife Refuge (founded as Killcohook Migratory Bird Refuge) was a National Wildlife Refuge located on the east bank of the Delaware River adjacent to the current Supawna Meadows National Wildlife Refuge. It had originally been established in 1934 as a secondary dredged material disposal site for use by the Army Corps of Engineers. Its status as a refuge was revoked in 1998 by the U.S. Congress and it is currently used as a confined disposal facility by the U.S. Army Corps of Engineers.