Blue Grotto Scuba & Snorkel


Eco-snorkeling into Irabu Island's blue cavern with side-mounted gear

  • Free Cancelation - 48 Hrs Notice
  • Show Mobile or Printed Voucher
  • 2 Hrs Duration
  • English / Japanese
  • Join In Group
  • Hotel Pick Up
  • Discover the hundreds of fishes and corals at three locations; the inner and outer reefs of the Blue Grotto
  • Go into a world of blue, inhabited by numerous sea life at Okinawa's famed blue cave
  • Enjoy the flexibility of sidemount scuba diving taught by experienced professionals
  • Be guided in the water by experienced certified instructors who are passionate about eco underwater activities
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    48 Hours Confirmation
  • 810 Booked
    5.0 (1 reviews)

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What To Expect

Dive into the wondrous Blue Grotto in Okinawa – one of the few blue caves in the world. Home to numerous sea life and natural beauty, the three diving spots in this activity are perfect for snorkeling and diving. Special sidemount gear enhances the deep diving experience with increased balance and stability. Even experienced divers can pick up some new skills with a different diving style and enjoy an advanced deep cave dive at one of Okinawa's best diving locations.

Sidemount Scuba Diving
Experience extra stability with sidemount diving
Scuba Diving Okinawa
An experienced scuba diving instructor will guide you through the whole experience
Irabu Island Okinawa
Enjoy the natural landscape surrounding Irabu Island
Blue Grotto Okinawa
Explore the Blue Grotto - where a blue reflection illuminates the cave
Okinawa Diving Class
Dive at three different locations throughout the day
Activity Information


  • You will receive confirmation of your booking's availability within 2 business days. Once confirmed, we will send you the voucher via email
  • In the event that you do not receive an email from us, please check your Spam folder or notify us via email
Inclusive Of

Inclusive Of:

  • Scuba diving equipment
  • Transporation to and from the diving locations
  • Professional guide and guide fees
  • Free hot tea
  • Hotel pick up and drop off
  • Insurance provided by operator
Not Inclusive Of

Not Inclusive Of:

  • Shower or locker room facilities on site (please change into swimsuit prior to arrival at the beach)
  • Rash guard or wet suit rental (additional payment would be required)


  • Hotel pickup (customer service staff will inform the customer what time the merchant will be picking them up)
  • Blue Grotto snorkeling (please select one of the following course schedules:)
  • Morning course: 8:30am-10:30am
  • Noon course: 11:00am-1:00pm
  • Afternoon course: 1:30pm-3:30pm
  • Hotel drop off
Additional Information

Additional Information:

  • Children 12 years old and above can participate in the activity
  • Please bring your own bath towel, beach sandles or other no heel shoes, and sunscreen
  • Shower facilities are not available so please wear clothing that you don't mind getting wet
  • If you are on any medication, please obtain prior approval from a doctor before engaging in the activit
How To Use
  • You can present either a printed or a mobile voucher for this activity
  • The voucher is valid only on the tour date and time specified
  • Location: Sun Marine Terminal
  • Address: Japan,Okinawa Prefecture, Miyakojima, Irabu, Ikemazoe−248−1
  • If you have your own transportation, please drive to Hisamatsu Junior High School (use Tel: 0980723247 for GPS) first then continue to Irabu Ohashi bridge
  • Once you cross the bridge then you can use MAP CODE: 721 310 201 (サンマリンターミナル/お土産の田舎屋, TEL: 0980-78-6551) to get to the location
  • Pick up and drop off are also available, please provide your hotel information when booking the activity if this service is required

View photo instructions

Cancelation Policy
  • Full refunds will be issued for cancelations made at least 48 hours prior to the activity
  • No refunds will be issued for cancelations on the day of the activity or no show
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Reviews (1) 5.0
  • 15 Jan 2016
    Dare to the depths of the cave I am afraid I can not forget the whole life. Dark rock, ink blue sea, there is bubbling blister sound, and guide shuttle shuttle which is particularly wonderful.
    Translated Review. Show Original
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