Avenue, Maryland

Abell is an unincorporated community in what is familiarly called the "Seventh District" of St. Mary's County, Maryland, United States. Abell was a brewing ground for many fisherman and farmers in the late 19th century until approximately the late 1950s. Abell was known for its many major ports, and for its deep water access which made it easy for large steamboats to maneuver. Many of the ports have been demolished due to storms and hurricanes. Today, some local fisherman still reside in the same area where they were raised. Abell is also known for its century-old homes and views of the St. Clements Bay.

Oakley is an unincorporated community in St. Mary's County, Maryland, United States. The River View (a historic home located in Oakley) was listed on the National Register of Historic Places in 1976.

Coltons Point is an unincorporated community in what is popularly called the "Seventh District" of St. Mary's County, Maryland, United States. A small historical museum and a lighthouse are located there. Seasonal boat service carry visitors the short distance to the shrinking, uninhabited St. Clement's Island, where in 1634 the first European settlers arriving in Maryland landed and celebrated the first Catholic Mass in English-speaking North America. It was listed on the National Register of Historic Places in 1972. The ZIP Code for Coltons Point is 20626. The miraculous medal monument shown below has been moved to the property of a church in Mechanicsville.

The River View is a historic home located at Oakley, St. Mary's County, Maryland, United States. It is a 1+1⁄2-story, Flemish bond brick house that is one of the best preserved examples of its type in Lower Southern Maryland. It was built by the Gardiner family in the early 18th century, then purchased by Ignatius Fenwick, a prominent military figure in Maryland's Revolutionary War Navy. Also on the property are a number of early domestic dependencies that comprise the largest single collection of such buildings in St. Mary's County.The River View was listed on the National Register of Historic Places in 1976.

Bushwood is an unincorporated community in what is familiarly called the "Seventh District" of St. Mary's County, Maryland, United States. Ocean Hall was listed on the National Register of Historic Places in 1973. The ZIP Code for Bushwood is 20618.

Ocean Hall is a historic house located in Bushwood, St. Mary's County, Maryland, U.S. The house is believed to have been built in 1703. Successive alterations were made to the initial structure in the early 18th, late 19th and early 20th centuries, when the exterior porches were added. Of the original house only the Flemish bond brick exterior walls remain. It is believed that when the interior was rebuilt (or extensively altered) about 1725, the floor plan configuration was a hall and parlor, a two-room plan typical of this region throughout the early 18th centuries. Decorative details include paneling, molded chair-rails, and a Federal mantel. Ocean Hall was listed on the National Register of Historic Places in 1973.

St. Clement's Island State Park is a Maryland state park on St. Clement's Island, an uninhabited Potomac River island lying one-half mile southeast of Colton's Point, St. Mary's County, Maryland. The park features a 40-foot stone cross dedicated to the beginnings of freedom of religion in the United States as well as a reconstruction of the historic Blakistone Island Light. It is the central feature of the St. Clement's Island Historic District that was listed on the National Register of Historic Places in 1972.

The Blackistone Island Light was a lighthouse located on what is now St. Clement's Island on the Potomac River in Maryland. It is best known as the target of a Confederate raid in the Civil War. Completed in 1851, the structure was destroyed by fire in 1956 and its shell was razed; a replica was completed in 2008. The lighthouse replica can be visited on weekends from June through October. After driving to the St. Clement's Island Museum, one may take a water taxi on weekends and walk the grounds. A 50-foot (15 m) cross is also on the island. The lighthouse is open on Saturdays and the first Sunday of every month from June through October.

Heron Island is a sandbar located in the Potomac River east-north-east of Saint Clement's Island in St. Mary's County, Maryland, United States. The closest town is Colton's Point, Maryland, 1⁄2 mile to the north. The island is named for the large numbers of herons seen by the European colonists when they arrived in 1634.

Carpenters Island was an island located at the head of St. Clement's Bay in St. Mary's County, Maryland, patented in 1847 to Susan E. Carpenter, Amanda Carpenter, Rebecca Carpenter, and Matilda Carpenter and certified in the name of William Carpenter. The land patented included surrounding waters and measured one and three quarter acres. In 2005, the island was included in a list of "lost islands" of Chesapeake Bay, which is situated between Maryland and Virginia in the United States.