It held the Guinness World Record as the deepest indoor swimming pool in the world between its opening on 1 May 2004, and the completion of "Y-40 The Deep Joy" at Hotel Terme Millepini in Montegrotto Terme, Padua, Italy on 5 June 2014.
From its inauguration on 1 May 2004 to the completion of "Y-40 The Deep Joy" at Hotel Terme Millepini in Montegrotto Terme, Padua, Italy on 5 June 2014, it was recognized by Guinness World Records as having the deepest indoor swimming pool.