The McCormick, S.C., property includes a 22,000-sq. ft. conference center, an 80-room lodge, 5,000-sq. ft. lakefront restaurant, a pool, two tennis courts, an 18-hole miniature golf course, and approximately 514 acres of land. The conference center once known as Savannah Lakes Lodge in McCormick, S.C., will sell at auction on April 4. The auction will include the 22,000-sq.…