Crsytal Bay is another awesome spot diving in nusa penida in this location you will dive with underwater cave about 10 meters from sea level and the end of the cave is a bat cave hole. The location is very exotic and has its own uniqueness there are a wide variety of unique and beautiful fish and coral reefs charming and very rich in fish there Sunfish, Nurse Sharks the Coral looks really good and During august until October you can see the Mola Mola.