Many of the 142 bedrooms and suites overlook period landscaped gardens. Guests can dine in the 2-star Michelin Restaurant Patrick Guilbaud or The Cellar Restaurant and Bar. The intimate No 23 cocktail bar waits as does the Tethra Spa which boasts an 18m pool, steam room, fully equipped gymnasium and two private treatment rooms. The Merrion offers six private dining and meeting rooms.