Dolphins Plus ~ 305.451.1993 ~ Key Largo's original swim with the dolphins program! Call us today to sign up for the dolphin experience of a lifetime! Dolphins Plus is committed to the conservation and protection of marine mammals worldwide through education, research, experiential learning, and one of the most exceptional marine mammal educational experiences available to students of all ages, as well as a research program designed to promote a greater understanding of marine mammals worldwide. Dolphins Plus also works in close association with Island Dolphin Care, the Marine Mammal Conservancy, and the Southeast Marine Mammal Stranding Network.