Brunswick County, NC, just across the state border from Myrtle Beach SC must qualify as a "golf cluster". The Villages of Shallotte, Calabash etc have dozens of golf courses in a small geographic area: Rivers Edge, 27 holes at Carolina National, St James Plantation (4 courses), Leopards Chase, Tigers Eye, Panthers Run and Lions Paw, Oyster Bay, 3 courses at Sea Trail, 27 holes at Thistle, Farmstead, Crow Creek, Brunswick Plantation, Lockwood, Bald Head Island, 27 holes at Sandpiper, two courses at the Pearl...