A process for preparing fresh uncooked crustaceans such as crawfish, lobster, crab, and shrimp for shipment to consumers in a frozen state. The process includes a washing process, by submerging the crustaceans in a few inches of clean running water, treating with ozone introduction of a preservative and bactericide while under a vacuum, spray coating a seasoning, thereon and quick freezing, and then packaging in bulk or individualized cook and serve containers.