Isabell Stern plays beach volleyball for TSV Ansbach and competes in the federation “Bayerischer Volleyball-Verband”.
Currently listed in BVV U16 Damen 2026 (rank 44, 496 points); BVV U16 Damen 2025 (rank 52, 502 points); BVV U18 Damen 2025 (rank 53, 502 points). Ranking seasons: 2025–2026.