 The Dolphins were relegated to the Yamaha League One in 2014 and promoted to Thai League 1 again in 2016.The club was founded under the name Coke-Bangpra Chonburi FC which derived from the sponsor and the community Bang Phra in the district of Si Racha, the province of Chonburi.After several years in the Provincial League of Thailand, the club was promoted to the Thai Premier League for the 2008 season.