Algae Warning Signs Posted at GLSM

The State of Ohio is posting algae warning signs at the beaches and boat ramps on Grand Lake St. Marys,

VIDEO: April 2022 LIA Member Meeting

Watch video from the April 2022 Lake Improvement Association member meeting.

We are offering the public the opportunity to get their own free plant plugs to add beneficial vegetation to channels on Grand Lake St. Marys.

The Lake Improvement Association knowledge base features reports, data, statistics, action plans, and more learning resources.

Welcome to the Lake Improvement Association's Education Series. View each installment to learn more about Grand Lake St. Marys.

Minutes from the monthly LIA Member Meeting, held at 10 a.m. every first Saturday of the month at the Celina Moose.

Check out fun photos from past Lake Improvement Association events! Find your own photos - and photos of your friends!