Marie Stallbauer plays beach volleyball for ASV Dachau and competes in the federation “Bayerischer Volleyball-Verband”.
Currently listed in BVV U16 Damen 2025 (rank 78, 314 points); BVV U18 Damen 2025 (rank 119, 191 points); BVV U16 Damen 2026 (rank 222, 39 points). Ranking seasons: 2025–2026.