We are here to make your diving visit to the Okinawa Main Island an experience you will not forget. Onnason has the famous , underwater "Blue Cave" that will definitely satisfy you for sure.

Our 6 appeals!
1) We have a diving shop where, you can come for reception, prepare your gear and change for the Diving trip.
(We can assist and advise you where you should stay)
2) We have 4 reception time to catering to your travel plans.
08:00/10:00/12:30/14/30
3) We offer Boat diving plan but with your request, we can arrange a beach dive as well. We can also decide your best diving location from the weather condition on the day of diving.
4) We will divide the guide groups into the type of diving you like and your skill. If your a photographer, we can concentrate on each shot and go slow, if your a beginner and want to go refresh your skills, we can assist you.
5) We have staffs who are skilled in underwater photography. We may be able to give you an advice on how and what to look for. Please tell us what you looking for.
6) We can advise and take you to  a diving site where you and your non-diving travel companion can enjoy.
7) Although we regularly dive the local ocean, we sometimes go out on an excursion diving trips to , Minna Island, I.e. Island, Aguni Island, US Edmonds wreck dive. Please check our excursion trip schedule.

【Note from NPO】
On the day of Diving, the Diving Shop will have limited English available. But please don't be alarmed. NPO will assist regarding prior questions and enquiry for your booking. We will advise you how your diving will be on the day. The Guide will communicate with you using translation application on land and during your dive, sign language with will be reviewed before your dive.