1651 US Highway 90 WestCastroville, TX 78009 Phone: +1 830-538-3200Fax: +1 830-538-3201 Hotel E-mailHotel Website Commission Rooms Rates 10% 38 $84-$190 (USD) Hoteliers! Is your information accurate? Update Here Hillside Boutique Hotel Location & Neighborhood On Hwy 90W, 15 mi from San Antonio & Sea World - 35 MI from San Antonio Intl airport.