Annual Events

Patuxent River Appreciation Day (PRAD)PRAD

October 8, 2022
Columbus Day Weekend
10 a.m. to 5 p.m.  FREE

Patuxent River Appreciation Day (PRAD) is an annual festival which creates awareness, recognition, and promotion of the economic, social, recreational, cultural and historical impact of the tributaries and environs of the Patuxent River and the basin through which it flows.

Join us for lots of music, food, makers of home spun goods, a petting zoo, boat rides, toy boat building, pony rides, displays and activities celebrating the river – all the fun goings-on you have come to expect! 

For more information, visit the PRAD page of our website.

DPLHXmasWalkSolomons Christmas Walk

December 10, 2022
6 p.m. to 9 p.m. FREE

The Calvert Marine Museum invites you to enjoy the beauty of Solomons Island during the Solomons Christmas Walk, an annual event sponsored by the Solomons Business Association.

Enjoy musical entertainment, Santa, the Otter mascot, holiday crafts, and shopping in the Museum Store. Santa's Coffee House will be open with complimentary hot tea, coffee, cocoa, and holiday cookies. Museum members will save 20% off in the Museum Store all weekend!

For more information on the Solomons Christmas Walk, please contact Sherry Reid at 410-326-2042 x. 19, or For information about the weekend’s events visit the Solomons Christmas Walk website.


Saturday, March 25, 2023
10 a.m. to 4 p.m.

Help us celebrate our favorite museum mammal – the North American river otter! Learn otterly terrific facts at learning stations throughout the museum and make an otter craft. Join our otter mascot outside at the Corbin Nature Pavilion to learn his favorite dance, “The Swim”. Don’t forget to visit Chumley, Calvert, and Chessie Grace along the way! All activities included with museum admission. Admission applies; members are FREE.

2019 Solomons Maritime FestivalSolomons Maritime Festival

May 6, 2023
First Saturday in May
10 a.m. to 4 p.m. FREE

The event includes the Antique Boat and Marine Engine Show which features exhibits from collectors of antique and classic boats, and vintage marine outboard and inboard engines. Learn how to make traditional stuffed ham, watch demonstrations on how to shuck oysters like the pros, enjoy local music, see Chesapeake Bay retrievers in action, watch model boats skim the waters of the boat basin, and talk with traditional crafts people as they demonstrate their skills. Free 30-minute cruises on the Wm. B. Tennison. For the kids, there will be toy boat building and more. 

Thank you to our 2022 sponsors:
Calvert County Waterman's Association
Calvert Marina, LLC
Community Bank of the Chesapeake
Patuxent Small Craft Guild
Washburn's Boat Yard

Drum Pt Light 09-01-09 9360Maryland Lighthouse Challenge

Rescheduled for September 2023

Lighthouse lovers are invited to take the challenge and visit ten lighthouses in two days during the Maryland Lighthouse Challenge from 8 a.m. – 6 p.m. Visit the Chesapeake Chapter United States Lighthouse Society web page for directions and complete details.

For more information about the Maryland Lighthouse Challenge, contact Karen Rosage at 410-437-0741 or email


July 8, 2023
Second Saturday in July
10 a.m. to 5 p.m.
Advance ticketing recommended

RAIN or SHINE! Celebrate all things shark, all day, at CMM! Sharks are one of the world’s most riveting creatures and SHARKFEST is a chance to learn more about them. Guests will be able to view sharks up close while outside at the Corbin Nature Pavilion. While the Discovery Room will be closed to allow focus to be on the sharks for the day, our younger visitors will still have the opportunity to search for a fossil outside. The museum and grounds will offer opportunities to explore the diversity of sharks and their remarkable history on planet Earth. Learn fascinating ‘sharktoids,’ examine evidence of prehistoric sharks, and make a shark themed craft. Food and drink will be for sale on-site.

Complimentary museum passes will not be honored and strollers are not allowed in the museum for SHARKFEST. Museum admission applies; members are FREE. Click to view event activity map.

No strollers or wagons due to limited space at the event.

Night at the Museum for Friends with Disabilities

Spring 2023
Friday evening in May and September
5 p.m. to 7 p.m. FREE

The Calvert Marine Museum will be open exclusively for all individuals with disabilities and their families, friends, or caregivers. See why the museum is a fun and welcoming place for guests to visit any day of the week! This event is co-hosted by Calvert County Parks & Recreation, Therapeutic Recreation Services.

Explore the Paleontology, Estuarine Biology, and Maritime History exhibits. Meet the critters in the Discovery Room and hunt for a fossil in the sand. Tour the Drum Point Lighthouse or ask the volunteer to share its history. Shop in the Museum Store where there is something fun for everyone. Take a relaxing 30-minute cruise aboard the Wm. B. Tennison - space is limited, so pre-register!  

Preregistration is recommended to access the museum's indoor exhibits and required to ride the Tennison. Preregister for museum access opens shortly before event date.

Call the Parks & Recreation Therapeutic Recreation Services office to register for the Wm. B. Tennison cruises at 410-535-1600, ext. 8204 or 8205.
Cruise capacity is 40 guests per cruise.

For general information, contact Kathleen Porecki at 410-326-2042 or