Maine's 1st congressional district

The Deacon Andrew Dunning House is a historic house on Mountain Road in North Harpswell, Maine. Built about 1757 by one of Harpswell's early settlers, it is one of the town's oldest buildings. It was also the subject of a well-meaning but ill-informed Colonial Revival "restoration" in the 1940s, illustrating some of the issues with those types of actions. The property, which includes the Dunning family cemetery, was listed on the National Register of Historic Places in 1999.

Sebascodegan Island or Great Island is an island at the eastern edge of Casco Bay on the Gulf of Maine. It is a part of the town of Harpswell with the mainland portion of Harpswell to its west and Orr's Island and Bailey Island to its south. The town of Brunswick occupies the mainland to the north, and the towns of West Bath and Phippsburg occupy the mainland to the east, across the New Meadows River.

Merriconegan Farm, or Merrucoonegan Farm, is a historic farm property on Maine State Route 123 in North Harpswell, Maine. The farmstead, most of which dates to the 1830s, is a remarkably well preserved and extensive example of a connected farm complex. It was listed on the National Register of Historic Places in 1979.

The Elijah Kellogg House is an historic house on Barton Lane in Harpswell, Maine. It is a well-preserved Greek Revival house, built in 1849 by Elijah Kellogg, a Congregationalist minister at the nearby church, and a lecturer and author of popular boy's adventure books. The house was listed on the National Register of Historic Places on April 28, 1975.

Union Church is a historic church on Harpswell Neck Road (Maine State Route 123) in North Harpswell, Maine. Built in 1841, it is architecturally a distinctive and well-preserved combination of Greek Revival and Gothic Revival styles. It was used over the years by a variety of religious groups, and is now maintained by the Harpswell Garden Club. The building was listed on the National Register of Historic Places in 1988.

The James Pennell Mansion is a mansion that stands at 257 Pennellville Road in the Pennellville Historic District in Brunswick, Maine.

Pennellville Historic District is a residential district located in Brunswick, Maine. To locals, the neighborhood is known simply as "Pennellville." There are several historic ship captains' houses in the District; much of the real estate is waterfront property. The area's historic significance centers on the shipbuilding company and shipyard, Pennell Brothers, on Middle Bay Cove. Pennell Brothers built wooden ships for the 18th and 19th century shipping trade. About 90 tall ships were produced at the yard.

The East Harpswell Free Will Baptist Church is a historic church on Cundys Harbor Road in East Harpswell, Maine. Built in 1843, it is a little-altered modest Greek Revival structure, with a reversed interior layout (with the pulpit at the entrance) that is now extremely rare within the state. It has been used only sporadically since the early 20th century, but is maintained by a local community group. The building was listed on the National Register of Historic Places in 1988.

Harpswell is a town in Cumberland County, Maine, United States, within Casco Bay in the Gulf of Maine. The population was 5,031 at the 2020 census. Harpswell is composed of land contiguous with the rest of Cumberland County, called Harpswell Neck, as well as three large islands connected by bridges: Sebascodegan Island (locally known as Great Island), Orr's Island, and Bailey Island and over 200 smaller islands. Harpswell is part of the Portland–South Portland–Biddeford, Maine Metropolitan Statistical Area.

The Elijah Kellogg Church is a historic Congregationalist church at 917 Harpswell Neck Road (Maine State Route 123) in Harpswell, Maine. Built in 1843, it is a well-preserved example of Greek and Gothic Revival architecture, and is further notable for its longtime association with Rev. Elijah Kellogg, a well-known 19th-century writer of children's books. The church building was listed on the National Register of Historic Places in 1979. The church is affiliated with the National Association of Congregational Christian Churches; its pastor is John Carson.

The Tarr–Eaton House, also known as Tarr–Eaton–Hackett House, is an historic house at 906 Harpswell Neck Road in Harpswell, Maine. Built before 1783 and enlarged about 1840, it is a well-preserved 18th-century Cape with added Greek Revival features, and one of Harpswell's few surviving pre-Revolutionary War buildings. It was listed on the National Register of Historic Places in 2001.

The Harpswell Meetinghouse is a historic colonial meeting house on Maine State Route 123 in Harpswell, Maine. Built in 1757-59 to provide space for both religious services and town meetings, it is a little-altered and well-preserved example of a once-common form, and is the oldest such surviving building in the state of Maine. It was designated a National Historic Landmark in 1968.