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Coronavirus (COVID-19): Calvert Nature Society will follow recommendations made by County, State & National guidelines.

Flag Ponds Nature Park

1525 Flag Ponds Parkway
Lusby, MD 20657

Park Office: 410-586-1477
Reservations: 410-535-5327

Park Hours
  • Monday and Friday: 9:00 a.m.-4:00 p.m.
  • Saturday and Sunday: 9:00 a.m.-5:00 p.m.
  • Tuesday, Wednesday, Thursday: Closed
  • Park entrance fees will be collected on Saturdays and Sundays.
  • No walk ins allowed when park gates are closed.
  • Bathrooms, beach and gate closes one hour before the park closes.

Please check the Park Hours and Trail Closings updates from the Natural Resources Division.


Flag Ponds Parkway is 3 miles south of the traffic light at Calvert Beach/Ball Rd.

Just 10 miles south of Prince Frederick, look for the sign along ROUTE 4 and turn LEFT onto Flag Ponds Parkway.

Get a Directions to the Park

Trail Map (pdf)

Calvert County Natural Resources Flag Ponds page


View Our Regulations

Dogs are permitted in the park and on the beach, but they must be kept on a leash. Owners must pick up after their pets.

Groups of 30 or more must make reservations to schedule a naturalist-led program and pay any applicable fees. Contact the Division office at 410-535-5327 to make a reservation.


The entrance fee / park pass is per vehicle.  (Personal vehicle, such as a car, van, truck, or motorcycle).
Society membership does not include free entrance into Flag Ponds.

Checks or cash only, exact change is appreciated. We do not accept credit cards. 

Daily Entrance Fee

Fee is per vehicle and good for the day of issue. If a visitor leaves the park, there is no guarantee of re-entry it to the park.

January - March: 
$5.00 in-county resident or non resident.

April - October: 
$5.00 for in-county residents
$8.00 for non residents

November - December: $5.00 in-county resident or non resident.

Walk-in/Bike: $2 person

Bus (commercial, private, or public vehicle able to carry more than 15 people): $30 per bus

Annual Park Pass

$20 for in-county residents
$30 for non residents.
Vehicle registration is required for annual pass holders.

$10 for each additional vehicle registered in the same name.

Military Discounts Available.


The Calvert County Health Department conducts routine water samplings of the county’s public bathing beaches from Memorial Day through Labor Day. Before you head to the beach this summer, check for advisories by visiting the health department online.

Call Calvert County Environmental Health 410-535-3922 or 301-855-1557 or visit


See a Calendar of All Our Programs

Program participants do not pay the entrance fee on the day of the program.

  • Beach
  • Beach Combing
  • Birdwatching
  • Cross-country skiing
  • Observation piers at pond and on the bay
  • Fossil Hunting
  • Managed Hunting (permits through Maryland DNR)
  • Metal detecting (beach only)
  • Nature Study
  • Scuba diving
  • Swimming (no lifeguard on duty)

Bring a picnic to enjoy on the beach or at the picnic area. No grills are allowed on the beach; we provide grills at the picnic area by the Visitor Center.

Check the Tide Tables for Long Beach


  • Millions of years ago, sharks, whales, crocodiles and other creatures inhabited the waters and shores of this area.
  • Most of these animals are now extinct, others are just no longer found here.
  • To the sharp-eyed visitor, sharks teeth and other Miocene fossils may be found along the park's shoreline

Flag Ponds Nature Park is also part of Maryland's history.

  • From the early 1900's until 1955, three shanties housed fishermen during the main fishing season who  worked a major "pound net" fishery supplying croaker, trout and herring to markets as far away as Baltimore.
  • Known as "Buoy Hotel", the last shanty was destroyed in 2012 in a fire. It was rebuilt in 2015.
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