M/Y Rule No.1 is a 39.62 meter motor yacht built by the American shipyard Westport and delivered in 2010. Previously known as Nina Lu, Alice's Restaurant, Amarula Sun, and Namaste, this Westport 130 model features exterior design by Gregory C. Marshall Naval Architect Ltd., interior by Destry Darr Designs, and naval architecture by William Garden. With a beam of 7.98m and a volume of 333 GT, she boasts a GRP hull and superstructure. Rule No.1 accommodates up to 10 guests in 5 staterooms, including a master suite, two VIP cabins, and two twin cabins, plus quarters for 7 crew members. She is powered by twin MTU engines, achieving a cruising speed of 20 knots and a top speed of 22 knots, with a range of 2,200 nautical miles at 12 knots. Undergoing an extensive multi-million dollar refit in 2024, both her interior and exterior were significantly updated. The interior, designed by Destry Darr Designs, now features a "California Casual" style with lighter tones, new wall coverings, updated hardware, and refreshed furniture. The exterior cushions and furniture were also updated. Key amenities include a sundeck with a Jacuzzi and sunpads, a private gym, multiple bars, and alfresco dining areas across her three decks. She carries a notable collection of water toys, including Sea-Doo Jet-Skis, SeaBobs, paddleboards, and a waterslide. Rule No.1 is currently for sale at an asking price of €15,692,175. She is ranked as the 3075th largest yacht globally and the 38th largest built by Westport.