Disneymoon was a theme park on Earth's moon. The 1/6th Earth gravity allowed for visitors to fly with light metal wings. (TOS novel: World Without End)
In 2292, two officers from USS Avenger spent their honeymoon at Disneymoon. (Star Trek: Avenger: "Belonging")
Background[]
While the term was still fiction as of the late 1970s publication of Joe Haldeman's World Without End, in real life, the term "Disneymoon" has apparently become a common term for a honeymoon at any of the Disney theme parks.