She told her brother she wasn't feeling well, she could have gotten up on that table to be sick over the side and fell in (as the balcony barrier was high enough) or apparently neighbouring cabins said that man next door was playing loud music into the early hours, she was on the balcony so maybe she was trying to lean over into his to see what was going on and fell in or maybe it was a suicide, if you take into account, the letter "message in a bottle" to her girlfriend, the fact her parents did not accept her sexuality, the fact she had been drinking that night