Yellowstone Association memberships are family memberships, entitling all members of the family less than 21 years of age living in the same household a wide range of valuable discounts.

These discounts include: 

• 15% DISCOUNT on all items in The Park Store, the Association's online shopping area featuring the world’s largest selection of educational Yellowstone-related materials and Yellowstone Association Institute logo items. 
• 15% discount in all of the Association's nine Park Stores in Yellowstone National Park's official park visitor centers.  Each Association sales area features a wide range of educational materials with many items chosen to complement the natural features and history of the area of the park where the visitor center is located. 
• DISCOUNT AT MANY OTHER PARK SALES AREAS in official park visitor centers across the United States. As the Yellowstone Association is one of over 60 national park non-profit cooperating associations serving national parks, monuments, and historic sights, your Yellowstone Association membership will entitle you to discounts at many other national parks!