Ottawa Lake Co-Op

About Ottawa Lake Co-Op is a full service Ag retailer located just south of Ottawa Lake, MI. We specialize in AG fertilizer, chemicals, seed, feed and pet supplies. Additional Information Ottawa Lake Co-Op is a full service AG retailer located just south of the town of Ottawa Lake, MI. As a company we specialize in AG and lawn fertilizer, chemicals, seed, feed and other lawn and garden products. Products Bulk and bagged fertilizer, grass seed, pet food and supplies, lawn and garden supplies and tools, animal feed, heavy equipment, and bulk grain.