 Despite her retirement, Keizer continued to enter beach volleyball tournaments every now and then.She partnered with Sophie van Gestel to compete at the $500K Transavia Grand Slam mid-2014; they lost all three of their group stage matches and did not progress further.In the summer of 2017, she played at the $150K Dela Beach Open with Madelein Meppelink as a replacement for Meppelink's injured partner van Gestel.