Salty

Two siblings, orphaned by a hurricane, are taken in by a Bahamas marina owner. They befriend a sea lion, have adventures. After their parents are killed in a hurricane, Taylor and Tim Reed are unofficially adopted by the semi-retired owner of a marina in the Bahamas. The Reed children are also "adopted" by a friendly sea-lion who they name Salty, and with whom they have a series of adventures. —Anonymous