Clubul Sportiv Municipal Constanța, commonly known as CSM Constanța, is a Romanian basketball club based in Constanța, which currently participates in the Liga Națională, the top-tier league in Romania. The team represents the men's basketball section of the CSM Constanțamulti-sports club. The basketball team predates the multi-sports club (which was founded in 2021), being named Athletic Neptun Constanța before the merger in the summer of 2022.[1]
The club initially played in the second-tier Liga I. However, in 2018 the league was merged with the top-tier: Liga Națională.[2]