This is a guide for facilitating interaction at a touch tank with marine animals. The instructions are for setting up a display in an informal science center, but could work anywhere. Both initiating and follow-up questions are included for helping learners make observations and speculations about an animal's functions and habitat. General background information is provided about stresses animals experience in a marine environment, including tides, waves, drying out, and substrates to attach to. Specific information to display is provided for five representative organisms: Gumboot Chiton, Rock Crab, Sea Star, Hermit Crab, and Flat Fish.