18Th Street - Galveston Seawall Close to Attractions! Remodeled! is located in Galveston, just 5 miles from Schlitterbahn Galveston Island Waterpark and 5.1 miles from Moody Gardens. This vacation home features free private parking and free Wifi. Galveston Island State Park is 13 miles from the vacation home and Moody Mansion Museum is a 19-minute walk away. Popular points of interest near the vacation home include Porretto Beach, Stewart Beach, and Pleasure Pier. The nearest airport is William P. Hobby Airport, 41 miles from 18Th Street - Galveston Seawall Close to Attractions! Remodeled!.