Marie Männer plays beach volleyball for VC DJK Amberg and competes in the federation “Bayerischer Volleyball-Verband”.
Currently listed in BVV U14 Damen 2025 (rank 38, 201 points); BVV U16 Damen 2026 (rank 46, 479 points); BVV U16 Damen 2025 (rank 124, 123 points). Ranking seasons: 2025–2026.