Dive into a celebration dedicated to our Great Lakes!

We’ve got an exciting line-up of lake-themed activities and events designed to inform,entertain and provide a deeper understanding our Great Lakes region.

Sponsored by Northeast Ohio Regional Sewer District.

Lake Erie Sails
July 9 - 12 only
9:30 am, 1 pm, 3:30 pm, 7 pm

Back by popular demand! Take an exciting two-hour lake excursion aboard the 65-foot schooner, Appledore V. Experience the sailing life and learn about navigation, knot tying and Lake Erie ecology. Ticket price includes admission to the Steamship William G. Mather. Reservations strongly recommended. Call 216-621-2400.

Members: $32 per person
Non-members: $45 per person
Group rates available for 10 or more ($32 per person.)

See the OMNIMAX® film, Mysteries of the Great Lakes, for just $5 more!



OMNIMAX Theater
Mysteries of the Great Lakes
July 3 - 12
Daily at 12 and 4 pm.

Embark on a voyage of discovery and celebrate the Great Lakes region in this OMNIMAX film. Visit the habitats of the caribou, bald eagle and lake sturgeon and explore the eco-system of our “inland seas.” Discover how humanity has brought our Great Lakes to the brink of destruction…and back. View the film schedule.



Daily Hands-On Programs
July 3- 12
Check daily schedule for program times.

Sink or Float
Kids learn about density by experimenting with objects that sink or float. Ideal for our youngest visitors.

What’s in Lake Erie?
Become a lake scientist and look through a microscope to see the tiny plants and animals that live in a drop of water.

What’s in a Fish?
Look closely at the anatomy of a fish and learn about the adaptations that make life in the water look easy.



Steamship William G. Mather Museum

Climb aboard this historic Great Lakes freighter, and explore its huge cargo holds, brass and oak pilot house, elegant guest quarters and four-story engine room. Learn more about the Mather.





Programs from our Partners

Northeast Ohio Regional Sewer District programs

Electrofishing boat display
July 6, 8, 10
11 am - 3 pm

See the boat used on our waterways by water quality investigators to catch and identify various fish.

Fish and Bugs Survey
July 6, 8, 10
11 am - 3 pm

Perform a stream biological survey and get to know the various insects and fish that are found in our local waterways. This hands-on exhibit introduces visitors to the different types of insects found in our streams and shows why they are important. Get up close and personal with a Fathead Minnow, and see their life cycle from eggs through fish.

pH and you
July 6
11 am – 3 pm

Learn about the basic concepts of pH and discover how it affects your environment. This hands-on activity allows visitors to test various household products to determine if they are acids or bases. Visitors can also perform a simple acid base titration.

Make Slime
July 8
11 am – 3 pm

Hands-on fun! Chemical reactions occur everywhere, but who would have thought they could make something so FUN? Make slime by mixing chemicals together, and then take home your creation to show to family and friends.

Urban Water Cycle
July 10
11 am – 4 pm

Learn how the natural water cycle is affected by our urban environment and see how pollution is transferred through the environment. Learn how our wastewater treatment plant cleans the water and look through a microscope to see the microorganisms that help clean our water.

Learn more about the Northeast Ohio Regional Sewer District.



Cuyahoga County Public Library programs
Tuesday, July 7
11 am – 4 pm

Enjoy water-themed activities such as Exploration Station and Investigate It.



Cleveland Division of Water Speaker Series
July 6 - 12
1 pm

Learn about drinking water, the Great Lakes and more during these informative talks.



Cleveland Lakefront State Park programs
Ohio Department of Natural Resources
July 7 and July 8
1 - 4 pm

Play the Great Lakes Invaders game and learn about invasive species.

Related Program
Treasure the Beach
July 10-11
Edgewater State Park

Celebrate the beach with a Friday night beach party, Capt’n Willie, music, and games. Continue the fun on Saturday with a beach clean-up followed by family activities and giveaways.
Learn more.