That would be 473 Peninsula Ridge in The Reserve at Lake Keowee, which closed March 12 for $10.099 million — breaking the Upstate record for highest residential sale by $99,000. Justin Winter ...

the Reserve at Lake Keowee offers members more than $100 million in amenities. These include a Jack Nicklaus–designed golf course, a 200-slip marina, and a clubhouse overlooking the water.