With aggressive and easily identifiable designs, boats from Monaco-based Wally demand attention. The new Wally//One (www.wally.com) is no exception. Designed for use as a day boat or a megayacht tender, the 43-foot vessel, which Wally unveiled last September, is the smallest model the builder has ever produced. But it is certainly not lacking in power. The more potent of two engine options—dual 370 hp Yanmars—gives the boat a 45-knot top speed, while a hull design featuring a narrow, wave-cutting vertical forefoot and an impact-absorbing flared bow delivers a smooth ride, even in choppy deep-sea waters. The Wally//One, which starts at about $650,000, accommodates as many as eight guests above deck, with fold-down seats at the bow, a removable table, and lounging pads both forward and aft. An optional carbon-fiber Bimini top provides a bit of shade, while the belowdecks cabin offers a double berth with a full head and stand-up shower.