It is alleged that Daniel Healy, who has joint British and New Zealand citizenship, attacked a man at the club in the Royal Yacht Hotel in the early hours of Sunday morning.
It is claimed he used a glass and that the alleged victim needed 20 stitches to a face wound.
Pictured: The alleged offence was reported to have occurred at the Royal Yacht.
Mr Healy has been granted bail. He was ordered to pay £5,000 as surety.
He is due to appear again in the Magistrate’s Court for an interim hearing on 27 August.