The small island off the coast of Howth in Dublin has been sold to the hotel group, Tetrarch Capital.
The hotel group,is promising it'll remain open to the public.
A group that includes US cable television tycoon John Malone agreed a deal to buy the five-star Powerscourt Hotel in Enniskerry from a company controlled by Tetrarch Capital for more than €50 million earlier this year
MHL Hotels already operates eleven 4-star and 5-star hotels in Dublin Galway and Limerick.