The purpose of the Lake Improvement Association is to promote closer fellowship and cooperation among farmers, landing owners and park operators; to advance the general improvement of the lake, its shores, channels, creeks, landings, parks and land in order to promote good health, soil stability, and clean, wholesome recreation for the public and private use of the area adjacent to the shores of the Grand Lake St. Marys, located in Mercer and Auglaize counties in the State of Ohio.

Words From LIA President

Here’s LIA president, Bill Ringo on “How to improve our Grand Lake St. Marys”.

Lake Development Corporation

Learn more about news and minutes for the Lake Development Corporation.

Mercer County Pheasants Forever

Learn more about news and minutes for the Mercer County Pheasants Forever.

Lake Restoration Committee

Find out what this community-based approach watershed management organization is doing for Grand Lake St. Mary’s.

By-Laws of LIA

Check out Grand Lake St. Mary’s by-laws and regulations.