 Defunct after 2018 season, The club was renamed to Samut Prakan City and relocated it to Samut Prakan.Pattaya United's first-ever competitive game was against Thailand Division 2 League side Rajpracha in the 2009 Queen's Cup which they won 5–0.For six years the club remained in the TPL, and finished as high as sixth, and fourth in 2010 and 2011 respectively.