72 Feet of frontage on all sports Cass Lake, one of Oakland Counties premiere all sports lakes. Cass Lake is the largest and deepest lake in Oakland County. It covers 1200+ acres and a depth of 123 feet. This is one of the last vacant lots on Cass Lake with this much lake frontage. Why drive up north to enjoy the lake when can you have it in your own backyard! Enjoy boating, wave running, jet skiing, and so much more.