45-meter "Aquarius" Launched By Mengi-Yay Another yacht has been launched from the facilities of the Mengi-Yay yard. She is the 45-meter luxury motoryacht "Aquarius". She was built using a typical process for the Mengi-Yay yard, laminated wood epoxy. This yacht comes in at around 300 tonnes and is quite spacious for her 45-meter length. She stands four decks above the waterline -three of them being interior- and the other an open air sundeck.