About us. Golden Stone Inn is a locally owned, 15 room boutqiue style hotel in West Yellowstone, MT. The GSI is associated with the Big Sky Anglers fly shop in town, which allows us to cater to many angling groups. We cater to a higher-end clientele, and expect our staff and property to reflect that. Our team is small, but it allows us to work closely to provide an excellent guest experience. We are professional, customer-centric, fast-paced and ...