She was built by Dutch superyacht yard Feadship and delivered in 2008, featuring exterior design by Sinot Yacht Design and De Voogt Naval Architects; the latter is also responsible for her naval architecture. She was launched as the third in the yard's F45 Vantage superyacht series, and the steel hull and aluminium superstructure yacht is Lloyd's classed and MCA compliant.
An interior by Sinot Yacht Design accommodates 12 guests in six en suite staterooms, including a master suite forward, four double staterooms and a twin cabin with Pullman berths plus nine crew. All staterooms are on the main deck, offering outstanding views and have floor-to-ceiling windows. Al fresco dining is available in canopied areas on the sun and bridge decks. Electronic systems are state-of-the-art and include Wi-Fi internet access and high-definition televisions throughout.
Twin 1,055hp MTU engines give Madsummer a cruising speed of 12 knots and a range of 4,500 nautical miles at 10 knots. She also boasts zero speed stabilisers, a spa and sauna and a spacious sun deck.
Madsummer was asking $27.5 million.