1. Visit our shop or Please include the following information and send it to the e-mail address below:

✉ esaka@d-io.jp
・Nationality
・Date of birth
・three preffered dates for the training
・Address
・Height,weight, and shoe size

※In addition, you will be asked to submit a Medical Statement,Liability Release and Assumption of Risk Agreement
and a Standard Safe Diving Practices Statement of Understanding before your booking is confirmed.

2.Set your schedule and try on your wetsuit or drysuit

3.Pay¥20,000 deposit and purchase e-Learning materials
(Complete e-Learning before your in-store session.The remaining ¥48,000 is due on Day1.)

4.Home study(e-Learning)

5.Day 1: In-store lecture (2-3hours)

6.Day 2:Open water training(day trip)

7.Day 3:Open water training(day trip)

8.Certification awarded!





Before Day 1
After we confirm your ¥20,000 payment, we will send the E-learning to your e-mail.
Once you receive the email, please follow the instructions on the screen to create your PADI account and login.
Then, please complete the E-learning for the Open water diver course, and make sure to finish the final exam by Day1 of your In-store lecture.

Day 1:Lecture at the shop(2-3hours)
13:00PM Please come to IO Esaka store
 ・Procedures such as paying the remaining balance.
 ・Mini test
 ・Equipment explanation and setup
 ・Wetsuit(or dry suit) fitting etc...
16:00PM We expect to finish

Day 2,3 :Ocean training(1day-trip x 2days)
around 6:00-6:45 AM
Meet at our store/health check (We will leave the store once everything is ready)
We will head to the diving spot by our car. (about 2-3.5 hours one way)
↬On the way to the diving point, we will take a short break at a parking or convenience store.
↬ You are welcome to have your breakfast in the car.
around 8:30-9:45 AM
Arrive at the diving point
↬ facility orientation, changing clothes, equipment preparation, and briefing, etc.
around 9:00-10:30 AM
The first dive will start
↬ After the first dive, we will take a break for about an hour. (It depends on the situation)
↬ Depending on situation, we will either have lunch between two dives or after finishing both dives.
around 12:00-13:00 PM
The second dive will start
around 14:00-15:00 PM
After diving, we will wash our equipment, take shower, change your clothes, write dive logs..
around 15:00-16:00 PM
We will pack up all equipment and belongings, then head back to our shop.
↬ On the way back to the store, take a short break at a convenience store or parking.
You can buy some snacks or souvenirs.
around 18:30-20:15 PM
Arrival at our store. time may vary depending on traffic conditions).
↬ If you would like, we can share photos from the day.
~~ We will wrap up at the shop. ~~




¥68,000
※Includes rental equipment, transportation, study materials, and certification fee.
※2 Lunch is included in the total price.
However, some tours may not include lunch arrangements.
If you have any food allergies or dietary restrictions, please prepare your own meals.

At the time of application, an initial payment of ¥20,000 is required.
If you apply by e-mail, you can make the payment via PayPal.
If you come to the shop, you can pay by cash or credit card.
※Please note that the remaining balance will be paid just before the start of the Day1 lecture at the shop.


1.Deposit: The deposit(¥20,000) is non-refundable if you cancel for personal reasons.

2.Course Pause: If you suspend the course(pool or open water dives) for up to 6 months and wish to resume, a review course will be required.
*In that case,you will need to take a review course for an additional¥12,000.This fee includes open water training and rental equipment.

3.Validity: The course is valid for 1 year from the start date.

4.Cancellation Fees (Training Dives and Theory Classes) :
・3 days to 21:00 the day before: ¥6,600
・Same-day cancellation:¥13,200
※No cancellation fee will be charged if the tour is cancelled due to bad weather or unsafe sea conditions.

5.An additional training: Depending on your condition or skill progress,an additional open water training fee of ¥20,000 may apply.

※Please notify us as early as possible if you need to cancel for any reason, including health issues.