- Saltwater Activities
Adult(12 years old and above): 5000 yen
Area: Otaru Hokkaido
Available time period：All season program
Program fee: Adult(12 years old and above): 5000 yen
【Otaru】Enjoy the view of grate force cliff from the sea. Please feel the energy of nature.
Operator name Otaru Fun Crusing Comments Please enjoy a magnificent view of Otaru from the sea. If you are lucky, you will see blue shining sea water in the cave.
Adult: 6000 yen
Available time period：29 Apr. - 8 Oct. 2018
Required time：1 hour
Program fee: Adult: 6000 yen
The most popular exploration activity in Otaru! Allow yourself to be lured in to a dark cave, to find a glowing turquoise blue mysteriously shining in the darkness.
Operator name Treasure Island Short Trips Comments Please enjoy this beautiful blue ocean with us!!
: 6000 yen
Area: Shakotan Town, Bikuni
Available time period：Apr. 1 to Oct. 31
Required time：2 to 2.5 hours * It usually requires 2 hours.v * Due to the condition of waves, weather, and number of participants, the time required may change.
Program fee: : 6000 yen
Free Underwater Photos of your experience!! In the ocean chosen as one of Hokkaido's Heritage Sites, snorkel out to see the bright blue cave. Don't worry if you can't swim without a life-jacket; the instructor is with you so you can hold on to the safe floating board whenever you like.
Operator name Ocean Days Comments The owner that has been a guide for a blue cave famous in Okinawa, says he has found a blue cave just as blue in Hokkaido! It's almost completely private, so we can take our time guiding you there.