Select options Blue Card (Gift Card) $50.00 – $500.00 Our Spa Castle Blue Gift Card can be purchased in increments of $50 ($50, $100, $150) up to $500 and used as a credit card with the desired amounts above. This gift card will give you credit for entrance and spa services. You will receive a voucher for the gift card, which must be handed in at the Reception desk at Spa Castle. Upon redemption of the voucher, you will be given a physical gift card with the amount you purchased. Please, make sure to redeem your gift card voucher before the expiration date. *This voucher and the physical gift card you receive upon redemption can be used only at our Spa Castle Carrollton, TX location.