Printable $50.00 Argyles Sea Salt Grille for only $25.00. Argyles Sea Salt Grille is located at 716 N. Croatan Hwy., Kitty Hawk, NC 27948. This voucher is valid for all goods and services available at this location and good for up to one year upon consumer purchase. The value of the voucher must be used in one visit and not redeemable for cash. In the case of certificate voucher expiration, per law, the voucher still retains its initial purchase price of the promotional value. Does not include alcohol or gratuity. 1 voucher per visit. 1 voucher per table per group. Not good on Two for Tuesday Specials or Prime Rib Specials.