Wonderful Time To Buy Land In Florida. Prices Are Going Up. Surrounded by many lakes this great investment property is in one of the quickest growing areas in Florida, with new construction going up all around. It is a good time to buy in Keystone Heights. Recent job growth is Positive. Out in the verdant landscape of Clay County, Florida, is a cozy 0.34-acre gem that surrounds itself with nothing but peace and quiet. Nestled along Bucknell Avenue Keystone Heights, this lot offers generous space and convenient road access to reach the vibrant downtown and its conveniences. Keystone Heights is located about 1-hour southwest of Jacksonville and about an hour to the beaches on the Atlantic Ocean. Site-built, manufactured, and mobile homes are allowed. No time limit to build. Invest in your future today. Low Clay County taxes. Too many things to do.