List of lighthouses in Maryland

Drum Point Light Station also known as Drum Point Lighthouse is one of four surviving Chesapeake Bay screw-pile lighthouses. Originally located off Drum Point at the mouth of the Patuxent River, it is now an exhibit at the Calvert Marine Museum.

The Calvert Marine Museum is a maritime museum located in Solomons, Maryland. The museum has three main themes: regional paleontology, estuarine life of the Patuxent River and Chesapeake Bay, maritime history.Among its exhibits are the Drum Point Light, the bugeye Wm. B. Tennison, and the J. C. Lore Oyster House; the latter two are National Historic Landmarks. It also houses artifacts from the old Cedar Point Light, and maintains the Drum Point Light and grounds. The museum also features several aquatic exhibits including an outdoor habitat for their North American river otters, and indoor aquarium exhibits for the sting ray, skates, the non-native lionfish, and numerous other species native to the Chesapeake Bay and its tributaries.

Johnstown is an unincorporated community in Calvert County, Maryland, United States. The historic Preston-on-the-Patuxent house was listed on the National Register of Historic Places in 1974.

Solomons, also known as Solomons Island, is an unincorporated community and census-designated place (CDP) in Calvert County, Maryland, United States. The population was 2,368 at the 2010 census, up from 1,536 in 2000. Solomons is a popular weekend destination spot in the Baltimore–Washington metropolitan area.

The William B. Tennison is a Chesapeake Bay bugeye built in 1899 and converted to an oyster buy-boat in 1906–07. With the conversion her sail rig was removed and an engine inserted, and is the only surviving example of this conversion. Her construction marks a transition between log construction and plank construction. She is homeported at the Calvert Marine Museum in Solomons, Maryland. The Tennison is reputed to be the second oldest licensed passenger vessel in the United States.It was listed on the National Register of Historic Places in 1980, and as a National Historic Landmark in 1994.

J. C. Lore Oyster House, also known as J. C. Lore and Sons, Inc., Seafood Packing Plant, is located at 14430 Solomons Island Road South, in Solomons, Calvert County, Maryland. It is a large two story, rectangular frame industrial building constructed in 1934 as a seafood packing plant. It replaced a 1922 building that was destroyed by the 1933 Chesapeake Potomac hurricane. It is significant for its historical association with the commercial fisheries of Maryland's Patuxent River region, and architecturally as a substantially unaltered example of an early-20th century seafood packing plant. It has been adapted by the Calvert Marine Museum to house exhibits and many of its original spaces, artifacts, and records have been incorporated into them.It was listed on the National Register of Historic Places in 1984, and declared a National Historic Landmark in 2001.

Our Lady Star of the Sea Catholic Church, built in 1927 in a mixed Art Deco and late Gothic Revival architectural style, is an historic Roman Catholic church located at 14400 Solomon's Island Road, South in Solomons, Calvert County, Maryland. Established in 1888, the parish is the oldest Catholic parish in Calvert County and its 1927 church building is the oldest Catholic church building in the county. It is part of the Roman Catholic Archdiocese of Washington. The Rev. Richard Gardiner served as pastor until 2011.

Solomons United Methodist Church is an historic United Methodist church building located at 14454 Solomon's Island Road, South, in Solomons, Calvert County, Maryland. Our current pastor is the Rev. Dottie Yunger.

The Governor Thomas Johnson Memorial Bridge (also referred to as the Thomas Johnson Bridge and the Solomons Bridge) is a 1.37-mile (2.20 km) bridge in Maryland over the lower Patuxent River joining Calvert and St. Mary's counties. The bridge, named for the first governor of Maryland, Thomas Johnson, saw construction start in 1972 and opened to traffic on December 17, 1977. The bridge, carrying an average of 33,000 vehicles a day on Maryland Route 4 (MD 4), is one of two crossings of the Patuxent River in Southern Maryland (the other is the Benedict Bridge approximately 20 miles up river, where MD 231 connects Calvert County and Charles County). The north end of the bridge, on the Calvert side, is located in Solomons. Just prior to the bridge, MD 2-4 narrows from four lanes to two, and MD 2 exits the highway, passing under the bridge and heading toward downtown Solomons. MD 4 continues onto the bridge itself and over the Patuxent River.

St. Peter's Chapel is an historic Carpenter Gothic-style Episcopal church building located at 14590 Solomon's Island Road, South, in Solomons, Calvert County, Maryland. Built in 1889, it features the steep roof, lancet windows and board and batten siding typical of Carpenter Gothic churches. In 1900 it joined with Middleham Chapel to form Middleham and St. Peter's Episcopal Parish in the Episcopal Diocese of Maryland. St. Peter's Chapel is still in use today. The parish's current rector is the Rev. David Showers.

The Chesapeake Biological Laboratory (CBL) is a marine science laboratory on the Chesapeake Bay in Solomons, Maryland, and it is the oldest state-supported marine laboratory on the East Coast of the U.S. It was founded in 1925 in a small waterman's shack by Dr. Reginald V. Truitt and is part of the University of Maryland Center for Environmental Science.As of 2013, CBL had 28 faculty members, 7 visiting PhD-level scientists, 22 students, 29 research technicians and 33 staff.; total employment by 2021 was 128, and the lab was the 20th largest employer in Calvert County The CBL campus includes 21 buildings, which include purpose built research facilities with running sea water and environmentally-controlled chambers. The Nutrient Analytical Services Laboratory is a key service lab that provides chemical analysis for samples from across the United States. The lab has other diverse instrumentation that allow its scientists to make measurements of biogeochemical constituents. One example is a stable isotope mass spectrometer, located in the Bernie Fowler Laboratory, which is named for a local politician, Bernie Fowler, who advocated for cleaning up Chesapeake Bay. Local research is supported by the research vessel RV Rachel Carson (2008), which is home ported at CBL.

Six Number Two is a stainless steel sculpture by Kenneth Snelson. It is located at the Annmarie Sculpture Garden, Solomons, Maryland, on loan from the Hirshhorn Museum and Sculpture Garden.