Lilliann Marie Mattonet plays beach volleyball for TV Erlangen and competes in the federation “Bayerischer Volleyball-Verband”.
Currently listed in BVV U18 Damen 2025 (rank 18, 952 points); BVV U18 Damen 2026 (rank 30, 1.031 points); BVV Damen 2026 (rank 153, 62 points). Ranking seasons: 2025–2026.