Cheoy Lee's Serenity 90' Expedition YACHT. With lines reminiscent of a cargo vessel, this world-explorer is purposeful, designed to go the distance, to venture far and wide, yet it is luxurious, comfortable and quiet. With a top speed of 14 knots, it cruises comfortably at 12 knots within a range of 2500 nm. CHEOY LEE YACHTS are built to order. Cheoy Lee shipyards reserves the right to change Prices/ Specs. Contract prices are firm.