It happens at about a dozen or more resorts. I would have to go and count to give you the real number. I did count and there are 24 shared resorts.
St Thomas, USVI - Elysian
Daytona Beach, FL - Ocean Walk
Pompano Beach, FL - Sea Gardens, Palm-Aire, Santa Barbara
Orlando, FL - Reunion
Galena, IL
Lake of the Ozarks, MO
Branson, MO
New Orleans, LA - Avenue Plaza
Grand Lake, OK
Austin, TX
Taos, NM
Pagosa Springs, CO
Steamboat Springs, CO
Bison Ranch, AZ
Pinetop, AZ
Rancho Vistoso, AZ
Lake Tahoe, NV - South Shore
Las Vegas, NV - Tropicana
Indio, CA
Anaheim, CA - Dolphins Cove, Anaheim
Angels Camp, CA