Schlitterbahn Galveston Water Park - Voted #1 Indoor water park in America
Galveston Island Ferry - Free ride across the Galveston ship channel. Walk or drive on the ferry and feed the seagulls on your way!
Seawolf Park - Offering Tours of a WWII submarine and destroyer escort
Sea Center Texas - Free aquarium in Lake Jackson. (30 min drive)
Space Center Houston - Official Visitors center of NASA's Johnson Space Center
Gulf Greyhound Park - Greyhound racing stadium in Texas City / LaMarque
Kemah Boardwalk - Carnival, and restaurants all on the Galveston Bay waterfront.
Deep Sea / Bay Charter Fishing Guides - Great saltwater fishing and more