| GadvUpdates | | Unofficial Great Adventure site. Contains park information, parents', lodging, and Wild Safari guides. Forums. |
| It's Magic Mountain | | Information on Six Flags Magic Mountain in Valencia, CA, with frequently asked questions and park maps. |
| SFMW Zone | | News, dining, shopping, weather, new attractions and details about Marine World in Vallejo, California. |
| SFWoA Online | | An unofficial news and discussion site about Six Flags Worlds of Adventure. Includes trip planning guide, message boards, and reviews. |
| Six Flags | | Official site for the parks, with multiple locations in the United States. Includes facility, admission, and attraction information. |
| Six Flags Fiesta Texas | | Located in San Antonio. Offers facility information and news, employment opportunity section, and show schedule. |
| Six Flags Magic Mountain | | Highlights the rides, shows, attractions, kids events and schedule calendar. Admission rates, group discounts and contact information listed. |
| Six Flags Over Georgia | | Atlanta-area theme park's online guide to rides, events and shows, shops and food, and other park information. |
| Six Flags Over Texas | | Features directions, calendar, pricing, shows, events, rides, and employment. [Arlington, TX] |
| Six Flags Over You | | Unofficial site with information and guide. Details on rides, shows, games, park information and events. |
| SixFlags America | | Located in Largo, Maryland; serving the Washington and Baltimore areas. Site includes hours and directions, guides to rides and events, employment information, and park news. |
| Wyandot Lake Adventure Park | | Official site for the park, with ride guide, events schedule, and employment information. Located in Powell, Ohio. |
|
| | | |
