Club Sportiv Lotus Baile Felix, commonly known as Lotus Baile Felix, or simply as Lotus, is a Romanian football club based in Baile Felix, Sanmartin, Bihor County, currently playing in the Liga III.
Lotus Baile Felix was founded on 16 June 2009 under the name of CSC Sanmartin and played for most of its existence at the amateur level, in the Liga IV. Promoted in 2014 in the third tier, the club resisted only one season before withdrawing due to financial difficulties. In 2019, with the financial support of the Commune of Sanmartin, the biggest and one of the richest communes in Bihor County, fact owed to the presence of thermal waters in the area, CSC managed to won Liga IV, Bihor County series and also the promotion play-off, promoting back to Liga III.
In the summer of 2021, the club went through a process of re-branding, changing its name from CSC Sanmartin to CS Lotus Baile Felix, bringing in the front the name of Baile Felix, a Romanian well known thermal spa resort that is under Sanmartin Commune administration.