Seneca Lake Park & Marina Master Plan

Seneca Lake Park & Marina Master Plan Updates

An easy drive from Cambridge and Marietta, Seneca is the largest of the MWCD lakes and the third largest inland lake in Ohio. Enjoy boating and fishing or relax while sailing, water-skiing or sun bathing on the sandy swimming beach. With a 399 hp, beautiful views, and lots of outdoor activities Seneca Lake is a great getaway for the whole family.

Current Construction

More updates about upcoming construction at Seneca Lake coming soon. Check back for more about our upcoming projects.



Check out the links below to see a number of different projects that have been completed.