The Terrace Ballroom was a ballroom, located on 464 South Main Street, in Salt Lake City, Utah. During the 1930s, when it was called "Coconut Grove", there was no larger ballroom in the United States. Its name was originally changed in the 1940s to "Rainbow Rendezvous", before it settled in the 1950s to "Terrace Ballroom". When the Rainbow Rendezvous was taken over by the operators of Lagoon Amusement Park, a policy was in place excluding blacks; like the park itself, Robert E.