- Aquarena Center - A recreation and environmental education center. Provides scientific diving shows, glass bottom boat rides, and wide collection of endangered species. Includes location.
- San Marcos Convention and Visitor Bureau - Visitor Bureau with details on city history, local shopping, calendar of events, and contact information.
- Wonder World Cave - Includes geology, history, description of rooms, hours, rates, discount coupons, group tour reservations, gift shop, nearby attractions and contact information.
