Sharks in carribean sea? Barbados?

hiya- im going on my honeymoon in may one night in south coast, then to cruise one week in carribean islands and then 9 nts on barbados west coast- Fab!!! cant wait!!! and all our watersports are free but im soo scared of sharks! will they be in the seas?? will i be at risk of them getting me if i fall off the water ski's or sumthing? haha. seriously though does anyone know? thanks x