JOIN OUR FUN-EMPLOYED FAMILY. Become a CASTmember of the Nations Storyteller. ®. Be a part of the original Key West Aquarium which opened in 1935 in famous Mallory Square. Operating tours, attractions and retail in Boston, Key West, Nashville, San Diego, St. Augustine, Savannah, San Antonio, and Washington, DC since 1980. Start your new Career with Us Today. Position Summary. The Aquarist must have a good sense of fun and a desire to entertain wh...