Her manager, Peter Klarenbeek, said she had departed earlier in the day.
BBC: Teenager Dekker 'sets sail' on world record bid
2.
"She left from the port of Gibraltar, " said Marijke Schaaphok, whose company is handling Ms Dekker's media representation, saying she had spoken to Peter Klarenbeek.
BBC: Teenager Dekker 'sets sail' on world record bid