Grindel Point Light

Warren Island State Park is state-owned island and public recreation area on Penobscot Bay in the town of Islesboro, Waldo County, Maine, United States. The 70-acre (28 ha) state park sits about ½-mile from Islesboro Island and 3 miles (4.8 km) offshore from the mainland at Lincolnville. The island was acquired by the state of Maine for one dollar in 1959. Hiking trails, campsites, and open-faced shelters are found on the island; a pier allows access by private boat.

Islesboro Airport (FAA LID: 57B) is a town owned public use airport located one nautical mile (1.85 km) west of the central business district of Islesboro, a town in Waldo County, Maine, United States. This airport is included in the FAA's National Plan of Integrated Airport Systems for 2009–2013, which categorized it as a general aviation facility.

WBYA (105.5 FM; "The Wolf") is a radio station licensed to Islesboro, Maine, United States. The station serves the Mid Coast area with a country music format. The station is owned by Binnie Media, and broadcasts from a transmitter on U.S. 1 south of Northport. The station's competitor is WMCM in Rockland.

The Alice T. Pendleton Memorial Library is the public library of Islesboro, Maine. It is located at 309 Main Road, in an architecturally distinguished Colonial Revival building built in 1917, which is listed on the National Register of Historic Places. Previously known simply as the Islesboro Free Library, it was named in honor of Alice Pendleton, the town's first librarian and a major force in the library's establishment.

Islesboro is a town in Waldo County, Maine, United States, comprising Islesboro Island and several smaller islands. The population was 583 at the 2020 census. It has a summer colony accessible by state ferry service from Lincolnville Beach three miles to the west, by private boat, or by air taxi service. Home to Warren Island State Park, Islesboro includes the village of Dark Harbor.

The Ducktrap River is a river in Waldo County, Maine. From the outflow in Tilden Pond (44°21′41″N 69°06′16″W) in Belmont, the river runs 10.0 miles (16.1 km) southeast, through Camden Hills State Park, to West Penobscot Bay in Lincolnville.

Northport is a town on Penobscot Bay in Waldo County, Maine, United States. The population was 1,550 at the 2020 census. The coastal Bayside residential area is home to over one hundred Victorian seaside cottages, a marina, and the Cobe Estate.

Hewes Point is a peninsula in Islesboro, Maine. It is located on Penobscot Bay. It was named for Paola Hewes, a pioneer settler.

The George Ulmer House is a historic house at 3 South Cobbtown Road in Lincolnville, Maine. Built in 1799, it was the largest and most elaborate house in the area at the time. It was built for George Ulmer, who oversaw the rise and fall of a small business empire on the adjacent Ducktrap River between 1784 and 1812. The house was listed on the National Register of Historic Places in 2006.

Lincolnville is a town in Waldo County, Maine, United States. The population was 2,312 at the 2020 census. Lincolnville is the mainland terminal for Maine State Ferry Service transport to Islesboro.

The Free Will Baptist Church and Cemetery is a historic church property on Church Turn Road in North Islesboro, Maine. Built in 1843 and enlarged in the 1890s, the church is a fine example of Greek Revival architecture, and is particularly noted for its well-preserved mid-19th century stenciled artwork, whose quality and level of preservation are among the best in the state. The property was listed on the National Register of Historic Places in 1988. It is now owned by a local nonprofit organization.

The Drexel Estate, also known as Gripsholm Manor, is a historic summer estate in Islesboro, Maine. Built in 1903 and located on The Bluffs, a point on the east shore of the island community, it is an excellent example of medieval Tudor Revival architecture. It was built for George W. Drexel, son of banker Anthony J. Drexel and a regional innovator in the design and engineering of high-speed power boats. His estate was listed on the National Register of Historic Places in 1985.