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St. Clement's Island, Maryland's Birthplace

Updated on August 13, 2016

At just 60 acres, St. Clement's Island is small—and getting smaller.

The commemorative cross on St. Clement's Island honoring the first Marylanders stands near Blackistone Lighthouse.
The commemorative cross on St. Clement's Island honoring the first Marylanders stands near Blackistone Lighthouse. | Source

When English settlers first landed on St. Clement's in 1634, the island was over 400 acres in size. By the 1850s, only about 100 acres remained.

Some years later, in the latter part of the 19th century, shore protection was first constructed in order to keep more land from washing away. However, despite efforts to slow down erosion, St. Clement's Island continues to shrink.

Today, the island is about 60 acres in size--and getting smaller.

But St. Clement's slow disappearing act is perhaps the least compelling reason to visit it.

Known as "Maryland's Birthplace," the island is a truly unique locale rich in history and natural beauty.

Things to Do

History buffs, lighthouse aficionados, water enthusiasts, nature lovers—all sorts of folks will enjoy a day trip to St. Clement's Island.

Black-eyed Susan are among the native plants growing on St. Clement's Island.
Black-eyed Susan are among the native plants growing on St. Clement's Island. | Source

The History of St. Clement's Island

Signs located throughout St. Clement's Island explain much of its history.

The first English settlers to land on the island named it after the patron saint of sailors, St. Clement.

Catholics who had come to the New World to establish a colony founded on religious freedom, the settlers were led by Cecil Calvert, whose father, George Calvert, had received a land grant from Charles I for the area at the "first fountains of the River Pattowmeck."

For over 200 years, the island was owned by the Blackistone family and known as Blackistone (sometimes Blakistone) Island. In 1962, when it was designated a state park, the island assumed its original name, St. Clement's.

Annual Events at St. Clement's

Annual Event
Potomac Jazz & Seafood Festival
Major fundraiser featuring seafood from area restaurants & live music
Children's Day
Free event featuring give-aways, tractor pull, kid's activities, water taxi rides
Celebrate National Lighthouse Day
Blackistone Lighthouse open to public (fee required)
45th Annual Blessing of the Fleet
family festival featuring blessing of oyster boats
St. Clement's Island Museum Christmas Open House
Free museum admission; refreshments provided
Annual Christmas Doll & Train Exhibit
Display at St. Clement's Island Museum

Blackistone Lighthouse

The reconstruction of Blackistone Lighthouse was completed in 2008.
The reconstruction of Blackistone Lighthouse was completed in 2008. | Source

In 1851, John Donohoo, one of the most important builders of lighthouses on the Chesapeake Bay, constructed Blackistone Lighthouse, a.k.a. Blackistone Island Lighthouse.

With its tower set atop a two-story brick house, Blackistone is similar in appearance to Donohoo's other lighthouses in the Chesapeake Bay area, which include the lighthouses at Point Lookout and Piney Point.

Although damaged by Confederate soldiers during the Civil War, the Blackistone Lighthouse survived. In 1932, because it was no longer of any practical use, it was decommissioned.

The original lighthouse burned down in 1956. Some news accounts attribute the fire to lightning, others to arson. Through the efforts of St. Clement's Hundred, a non-profit dedicated to the beautification and preservation of the island, a reconstructed Blackistone Lighthouse was completed in 2008.

Guests can arrange to tour the lighthouse by contacting the St. Clement's Museum at Colton's Point. On National Lighthouse Day each August, Blackistone is open to the public.

Nature Walks

Native plants like Queen Anne's lace grow in the island's naturalized areas.
Native plants like Queen Anne's lace grow in the island's naturalized areas. | Source
Osprey nests are familiar sights on the the island.
Osprey nests are familiar sights on the the island. | Source

What to Take to St. Clement's

St. Clement's Island is a state park, so it doesn't have a gift shop or a Starbuck's—or even a real bathroom, although it does have portable toilets.

Everything needed for an excursion must be carried in by boat. Visitors should be prepared to carry everything back out, too, as there are no trashcans on the island.

To assure a pleasant outing, guests are advised to pack

  • water
  • sunscreen
  • snacks or picnic lunch
  • cellphone
  • first aid kit.

The scenery is gorgeous, so a really good camera will come in handy, too.

Visitors may follow wide, mowed trails through the island's naturalized areas or take a walk along St. Clement's Island's narrow, rock-lined shore.

The island is home to a variety of bird life, including red-winged blackbirds and osprey, which nest in boxes set on posts in the Potomac and along the island's shores.

A wide array of native plants grow on St. Clement's Island as well, including trumpet vine, Queen Anne's lace, prickly-pear cactus and black-eyed Susan, Maryland's state flower.

Black-eyed Susan is also planted in beds around the 40-foot commemorative cross dedicated to the first Marylanders and in flowerbeds along the reconstructed Blakistone Lighthouse.

Remnants of old apple orchards also survive in the island's naturalized areas.

A book detailing the native plants that grow on the island is available at the St. Clement's Island Museum gift shop.


Visitors may dock their boats at St. Clement's Island.
Visitors may dock their boats at St. Clement's Island. | Source

Guests are free to dock their watercraft near Blackistone Lighthouse.

Swimming, tubing, jet-skiing, fishing, motor boating and sailing are all on the menu at St. Clement's.

Steps from the dock lead to a sheltered picnic/rest area near the lighthouse.

Visitors may take a break from their water play to tour the island, use the facilities, stroll the island's narrow coast or enjoy a picnic.


Picnicking by the Potomac on St. Clement's Island
Picnicking by the Potomac on St. Clement's Island | Source

St. Clement's island has several picnic pavilions, picnic tables and grills situated under shade trees near the water.

The view? Beautiful!

Trumpet vine is another native plant that grows on St. Clement's Island.
Trumpet vine is another native plant that grows on St. Clement's Island. | Source

Visit St. Clement's Island

How to get there

St. Clement's Island sits in the Potomac at the mouth of the St. Mary's River and is accessible by boat only. Guests may dock their crafts near the lighthouse or, if visiting during the tourist season, take a water taxi to the island.

The Water Taxi II

From June through September, the Water Taxi II leaves the dock at the St. Clement's Island Museum on Colton's Point. Trips to and from the island, which take only minutes, are free.

Although the taxi has regular drop-off and pick-up times, visitors can arrange special pick-ups by using their cellphones to call the museum's main number from the island.

Before getting on the Water Taxi II, visitors should check in at the St. Clement's Island Museum. There, a staff member will take the names of those traveling by taxi, assign them numbers and provide them with a map of the island.

So that no guests are inadvertently stranded on the island, the museum staff asks that those taking a taxi check in at the museum upon their return to Colton's Point.

St. Clement's sits off the coast of MD in the Potomac River.

A markerSt. Clement's Island, Maryland -
St Clements Island State Park, Coltons Point, MD 20626, USA
get directions

The Little Red Schoolhouse
The Little Red Schoolhouse | Source

Nearby Places of Interest

Visitors who tour St. Clement's Island should also tour the St. Clement's Island-Potomac River Museum, which contains numerous artifacts regarding the history of St. Clement's Island as well as the early history of Maryland--and the U.S.

One-room schoolhouse

The Little Red Schoolhouse, formerly known as the Charlotte Hall School, is also located on museum grounds, just across the lawn from the museum proper.

Relocated to its current site in 1991, the Little Red Schoolhouse is an authentic 19thcentury one-room school.

Dory boat

Additionally, the Doris C., an authentic Potomac River dory boat from the early 20th century, is on display on the museum's grounds.

Dory boats, which have v-shaped bottoms, were used by fisherman on the Potomac and crafted almost exclusively in St. Mary's County, MD.


I've spent many hours on St. Clement's Island and at the St. Clement's Island-Potomac River Museum. The resources below were of great value in double-checking facts in this article.

"Celebrate National Lighthouse Day in Southern Maryland." Calvert Marine Museum. 18 June 2011. Web. 16 July 2012.

Johnson, Jenna. "Lighthouse's Legacy Is Restored." The Washington Post, 26 June 2008. Web. 16 July 2012.

"Potomac River Dory Boat." The Historical Marker Database. n.d. Web. 17 July 2012.

"The St. Clement's Island Museum." St. Mary's County, Maryland. St. Mary's County Government, n.d. Web. 16 July 2012.

"St. Clement's Island State Park." Maryland Department of Natural Resources. n.d. Web. 17 July 2012.

Vojtech, Pat. Lighting the Bay: Tales of Chesapeake Lighthouses. Centreville, MD: Tidewater Publishers, 1996. Print.


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    • The Dirt Farmer profile image

      Jill Spencer 5 years ago from United States

      Hi Glimmer Twin Fan. Hmmm. I wonder where you were? Guess you'll just have to come back for a visit. This area's a great place for tourists, especially if you like the water. Thanks for stopping by!

    • Glimmer Twin Fan profile image

      Glimmer Twin Fan 5 years ago

      Really interesting and informative. When I was young my parents took us to an island around this are. No cars on it, but I don't think it was St. Clement's. Great hub as always.