A passenger has died after going overboard from a Carnival cruise ship near the Bahamas … TMZ has learned.

Sources on board the boat tell TMZ … the man went into the water from the Carnival Liberty as it traveled just outside Nassau Tuesday. We’re told a life ring was thrown to him, but he was soon out of sight, prompting an immediate search and rescue effort.

A Carnival spokesperson tells TMZ … the guest climbed over his stateroom balcony and went overboard while the ship was sailing from Celebration Key to Nassau. Crew members immediately launched a search and were able to recover him from the water, but he did not survive.