Marina Rennert plays beach volleyball for VfL Großkötz and competes in the federation “Bayerischer Volleyball-Verband”.
Currently listed in BVV Damen 2025 (rank 347, 9 points); BVV Damen 2025 (rank 347, 9 points); BVV Damen 2026 (rank 465, 4 points). Ranking seasons: 2025–2026.