Tjasa Kotnik, a 2016 graduate, competed for both the Tritons volleyball and beach volleyball teams during her time at Eckerd. Kotnik was a member of the inaugural beach volleyball team and helped lead the Tritons to a 15-12 record their first season before seeing a 13-5 mark during her final year at Eckerd. She was a member of the 2016 AVCA Small College Championship team and sits second in program history in wins at the No. 1 draw with 12. 

With the Tritons volleyball team, Kotnik helped lead the squad to two NCAA Tournament appearances in 2013 and 2015. She was named to the 2013 All-SSC Newcomer Team and was a First Team All-Conference selection in 2015, also landing First Team All-Region and Third Team All-American accolades from the AVCA. Kotnik ended her volleyball career with the Tritons with 998 kills, 470 digs, 207 total blocks, and 17 double-doubles. She is 10th all-time for kills in a career and third for both kills per set and kills in a single season. In 2016, she was named the winner of the James R. Harley Award.