Single Family Home for sale by owner in Osage Beach, MO 65065. Selling our newly built (2009) 3000SQFT 2nd tier lake home in Osage Beach MO. off Key Largo Dr. for $255,000.00 (even though we just got an appraisal back at $260,000!) Beautiful neighborhood located off of hwy 54 outside of Osage Beach city limits. Its a perfect family home, there are lake views with no neighbors, a large yard for children to play in. Making it nice that you can see the lake without worrying about children getting t... See site for full property details.