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 Secret Day Spa The Therapy Rooms at Rosspark Hotel Aura Day Spa Perfections Day Spa View all Spas in Antrim WIN! An Overnight Spa Break for 2 worth €630 at Dingle Skellig Hotel, Co. Kerry Ends 27th Jul Enter