The Adelphi Spa The Adelphi Spa The Adelphi Portrush, Main Street, Portrush, BT56 8BN, Co. Antrim, Northern Ireland Spas.ie Vouchers Not Accepted Spa Type: Hotel Spa Hotel Rating: 0044 28 7082 5544 stay@adelphiportrush.com Website Nearby Spas The Spa at Dunluce Lodge The Spa at The Merchant Hotel Spa Experience The Secret Day Spa Perfections Day Spa View all Spas in Antrim WIN! Overnight Spa Break at 5* Dunluce Lodge, Co. Antrim Ends 16th Nov Enter