Sand Hollow State Park is 6.4 mi (10.3 km) from central Hurricane, why not stop by during your stay. Hurricane has other popular activities such as Zion National Park.
If museums are on your list of things to see in St. George, then you might want to head to St. George Dinosaur Discovery Site at Johnson Farm. If you want to see more of the museums in St. George, St. George Art Museum isn't far either.