There is not any restriction regarding the level of waters you can explore. This is the best thing about taking a semi-submarine ride in the Andaman Islands. This ride will let you witness much deeper seas, unlike glass-bottom boat rides, snorkeling, and scuba diving. Going deeper will help you in spotting wonderful species of fishes such as large tunas, manta rays, and a lot more. Looking at colorful corals is equally memorable. It is a wonderful sight for sure.