Ultra Marine Yacht Charters is a company dedicated to providing the finest luxury charter yachts and yacht charter services for discerning clients. Excellence, on water.Established in 1997, Ultra Marine is known in discreet circles as the boutique superyacht charter company of New York City. You wont see many advertisements. Word of mouth, referrals, and personal connections are our testament. For some people, excellence is the only standard they will accept.