Gravel Island National Wildlife Refuge

The Wisconsin Islands Wilderness is a 29-acre (12 ha) wilderness area located in Door County in northeastern Wisconsin. It is one of the smallest wilderness areas in the United States. Managed by the U.S. Fish & Wildlife Service, the wilderness area is composed of three islands in Lake Michigan.

Spider Island is an uninhabited island in Lake Michigan. It is located in Ellison Bay, in the town of Liberty Grove, Wisconsin. The Gravel Island National Wildlife Refuge is made up of Spider Island, and nearby Gravel Island. At 23 acres (9.3 ha) it is the larger of the two islands.

Newport State Park is a 2,373-acre (960 ha) Wisconsin state park at the tip of Door Peninsula near Europe Lake. Protecting 11 miles (18 km) of shoreline on Lake Michigan, Newport is Wisconsin's only wilderness-designated state park. The park is open year-round and can be accessed via WIS 42.

Rowleys Bay is an unincorporated community located on Lake Michigan in northern Door County, Wisconsin, in the town of Liberty Grove. The community is named after Peter Rowley who settled in the area in 1835.

The Mink River is a 1.4-mile-long (2.3 km) lacustuary, or freshwater estuary, near the northern tip of the Door Peninsula of Wisconsin, in the United States. It is noted for its excellent bass fishing, and the area boasts more than 200 species of birds. The river flows in a southeasterly direction into the estuary on Rowleys Bay, Lake Michigan, 4 miles (6 km) southeast of the village of Ellison Bay. In 1989, 35 species of birds were found in two habitats in the Mink River Estuary.

Gravel Island is an island in Lake Michigan. It is located in Ellison Bay, in the town of Liberty Grove, Wisconsin. The Gravel Island National Wildlife Refuge is made up of Gravel Island, and nearby Spider Island. The island is uninhabited, and a botanist who visited in 1999 was unable to find any vascular plants on the island.In 2022, a large number of dead Caspian terns were found on Gravel Island, which were part of a larger die-off on Lake Michigan islands due to avian influenza.

Europe Lake, is a lake near Gills Rock in Door County, Wisconsin. It is the northeasternmost lake in Wisconsin. The lake is mainly a shallow lowland marsh, similar to nearby Kangaroo Lake. It is suspected that the lake was once part of Lake Michigan until a drop in Lake Michigan's water levels closed off the bay and made it a lake.

Liberty Grove is a town in Door County, Wisconsin, United States. The population was 2,096 at the 2020 census. The unincorporated communities of Ellison Bay, Gills Rock, North Bay, Northport, and Rowleys Bay are in the town.

Northport is an unincorporated community in the town of Liberty Grove in Door County, Wisconsin, United States. It is the northern terminus of WIS 42 and location of the peninsula-side ferry dock of the Washington Island Ferry. The ferry takes freight, vehicles, and passengers across the Porte des Morts strait to Washington Island.

Gills Rock is an unincorporated community located on Highway 42 at the northern tip of the Door Peninsula in Door County, Wisconsin, United States. It is within the town of Liberty Grove and was formerly known as Hedgehog Harbor.

The Mero site is a stratified, multicomponent prehistoric site located on the south side of Marshall's Point on the Door Peninsula in Door County, Wisconsin. It was excavated in 1960 by Ronald and Carol Mason under the auspices of the Neville Public Museum in Green Bay, Wisconsin, with financial backing from the landowner, Peter Mero.As of 2016, Marshall's Point is a gated residential community. The privately owned interior of the community is recognized as a Wisconsin State Natural Area.

Ellison Bay is an unincorporated community and census-designated place in northern Door County, Wisconsin, United States, within the town of Liberty Grove and is located on Highway 42 along the Green Bay. As of the 2020 census, its population is 249. Sur La Baie, one of Wisconsin's largest and most expensive homes, is located nearby.