Originally located in Canada, then moved to Argentina. Guillermo “Memo” Castro is the founder and president of 40 Grados Sur, a shipyard that has been the building Antares Catamarans since 2010.\r\n\r\nAntares Yachts\r\nPhone numbers:\r\n+1 904 506 8794 - USA\r\n+63 945 687 5035 - Asia\r\n+54 9 11 6361 6327 - Argentina