They currently play in the IV liga Warmia-Masuria, the fifth level of the Polish league system.

Mazur Ełk's fans are known for their support beyond the club's stadium through numerous graffiti, including the unofficial club motto Jedno miasto, jeden klub.

Graffiti produced by supporters of the club has become so numerous in Ełk that it has attracted satirical responses from a local street artist.

[1] At the beginning of the millennium, organised support at Mazur Ełk was politically left-leaning with fans displaying anti-Nazi banners in the stadium during matches.

[2] Historically, fans of Mazur Ełk maintained a friendship with those of Legia Warsaw, however they now have a longstanding friendship with supporters of the teams Jagiellonia Białystok[3] and Warmia Grajewo.