Marko Diener plays beach volleyball for Vareler TB and competes in the federation “Deutscher Volleyball-Verband”.
Currently listed in DVV Senioren Herren 2026 (rank 400, 80 points); NWVV Erwachsene Männer 2026 (rank 1126, 32 points). 1 tournament result is documented from 2026. Most recently documented: place 7 at LM Senioren-Ü35 (Aug 16, 2026). Most frequent partners in the results: Christian Jünger.