Coconut Island or Gilligan's Island, officially Moku o Loe is a 28-acre island in Honolulu county with rich tropical beauty. However, it is usually closed to the visitors as the Hawaii Institute of Marine Biology (HIMB) operates it for marine research. HIBM organizes occasional outreach programs for the visitors. You can experience one of the best snorkeling and kayaking adventures at Moku o Loe. You can also spot the reef corals, tropical fishes, and Green sea turtles(honu) as you snorkel in the stunning blue waters.