Sale of, §12-3-247. Conditions on sale of residential lots, §12-3-247. JEKYLL ISLAND-STATE PARK AUTHORITY —Cont’d Subdivision, lease, sale, etc., of island by authority —Cont’d Consideration. Lease payments constituting good, valuable and sufficient consideration, §12-3-242. Continuation of rights and privileges, §12-3-245. Conversion prices of lots, §12-3-250.