The prize-winning, head-turning Okean 80 just made its U.S. debut at the Fort Lauderdale show. The flagship of the Okean fleet, the 80 was joined by a 50 Fly, the Brazilian builder’s first boat that was launched in 2017, and a 55. The 80, with an unusual and innovative open plan, where balconies expand from the salon and aft cockpit and a wall of glass surrounds the main deck, won the Revelation of the Year award at the World Yachts Trophies in Cannes last year. With an almost plumb bow, modern lines and luxurious fit and finish and furnishings, the…