BioBlitz with the National Aquarium Participate in our seventh annual BioBlitz by working with wildlife experts and community volunteers to find, identify and record plant and animal species that live at Masonville Cove.

International Coastal Cleanup at Masonville Cove (PM Session) Join the Aquarium to remove harmful marine debris from the shoreline at the Masonville Cove campus. Learn about sources and effects of marine debris, and what you can do to help! Debris data collected at this event will contribute to the Ocean Conservancy's International Coastal Cleanup.

Masonville Cove Spring Easter Egg Hunt Join us at Masonville for a celebration of Easter and Spring! Enjoy the great outdoors on an Easter Egg Hunt, activities, and walk with us to take a moment to appreciate nature. Open to all ages. Registration required.

Water Scientist for a Day! Become a water scientist for a day! This event is free and open to the public, however registration is required. Participants 18 and under must be supervised by an adult.

Drop In Field Trip: Hidden Hibernators Hands on Environmental Education programs ideal for homeschool families and all students on days off of school! $20 per participant. Registration required.

Nature for Kids Join us for an in-person craft inspired by nature! For February we will be sharing stories and enjoying a mini lesson about groundhogs while crafting our groundhog puppets. Hopefully these puppets don't see their shadow! Registration required.

Nature for Kids: Flower Power Join us for an in-person craft inspired by nature! For May we will be sharing stories and enjoying a mini lesson about the flowers and plants around us while making our own. Enjoy the great outdoors with us and take a moment to smell the flowers! Registration required.

Walk Maryland Day at Masonville Cove Join us for Walk Maryland Day, a celebration of our state’s official exercise and a call to action to promote walking for physical activity and improved health. We will have 1-hour guided walks starting at 12 PM and 5 PM.

Drop In Field Trip: Budding Botanists Hands on Environmental Education programs ideal for homeschool families and all students on days off of school! $20 per participant. Registration required.

Nature for Kids: Fantastic Fall Join us for an in-person craft inspired by nature! Young scientists will learn about leaves and practice observation skills. We will collect leaves on an outdoors walk and your child will make their own masterpiece afterwards along with other materials found in nature! Registration required.