Available Lot in Frontier Shores on Beautiful Lake Keystone! Enjoy all keystone Lake has to offer, including swimming, fishing, hiking, boating, mountain biking, and over 17,000 acres of hunting land. The lake has miles of beautiful sandy beaches, 11 boat ramps, 3 marinas, a waterfowl refuge and offroad areas. Frontier Shores is a partially developed residential community with it's own private boat ramp. This lakeside community in Osage County, Oklahoma sits just 30 minutes from Tulsa with several undeveloped lots for purchase and building. No restrictions.