If diving and snorkling are not your thing, this 40 minute submarine dive offers you a safe year-round undersea tour without getting wet! Observe Jeju's famed underwater world brimming with jaw-dropping marine life, diverse tropical fish and even blue seaweed. Peer out of the portholes to see a ship wreck surrounded by sea life and a diver feeding colorful fish. Delving to depths of 40 meters, this truly is an experience like no other. With over 20 years in the business and a 100% safety record (it's the longest-running submarine tour with a zero accident record), you know you're in safe hands.