Sundiver Snorkeling Tours 102840 Overseas Hwy, Key Largo, FL, 33037 305-451-2220 snorkelingisfun.com Colleen and the crew caught the most beautiful day for snorkeling in the waters of the world famous Key Largo National Marine Sanctuary. Although the Portuguese Man o’ War jellyfish were out that day, everyone braved the dive to see the beautiful shallow,