Free images results:

Bouy pictures, stock photos and images


Fenders Stock Photos
Author: Rbouwman

Also, here are some commercial RF-licensed images that match your search criteria:  
Red bouy Royalty Free Stock Image
Author: Lcardoso
Bouy Stock Images
Author: Bradcalkins

Explore more commercial options: More Bouy Stock Illustrations & Vectors | More Bouy Stock Video Footage