Here, we present Shimanto-Ashizuri activity plans,
including river and marine activities.

Nature Activities

Tatsukushi National Marine Park Glass-Bottomed Boat with Tatsukushi Kaichu Kanko

  • 見残し海岸へは往路20分、復路10分。往路ではサンゴを観察。
  • 船の下には日本最大のシコロサンゴ
  • 人魚御殿で海を楽しむ。グラスボートで渡る見残し海岸は不思議がいっぱい!
  • 竜串海域公園、長島港から発着
Adventure with us among the remarkable topography that boasts largest coral reef area nationwide, stunning tropical fish, and marvellous shaped geological forms. The sea around Tatsukushi and Minokoshi is a natural wonderland waiting for you to discover.
The sea around Tatsukushi, home to plate coral, is Japan’s first undersea marine park t to be designated as such in 1970.

While gazing into the undersea world, you can see various marine reatures, including table and plate corals, and colorful fish through the glass-bottomed boat.
One particularly fun part of the glass-bottomed boat tour is coming ashore at Minokoshi Beach.

The beach, covered with millions of naturally weathered honeycomb rocks, is a piece of art in itself.

Indulge yourself in amazing sightseeing, both on the beach and under the sea!
(Each round-trip glass-bottomed boat ride lasts about half an hour. Duration of sightseeing 60 to 100 minutes, including a stroll on Minokoshi Beach)

 ・Arrive at the ticket booth at the Tatsukushi Kanko Kisen; located at the entrance to the Tatsukushi municipal parking area
 ・Walk to the boat dock at Tatsukushi Port (around 500 meters from the parking area)
 ・Boarding and departure (Observe table and plate corals en route to Minokoshi Beach. Duration: Approx. 20 minutes)
 ・Alight at Minokoshi Beach. Please inform the attendant what time you would like to come back and enjoy free time sightseeing and strolling on the beach. (Duration: Around 30 to 70 minutes depending on your pace)
 ・After sightseeing, you re-board the boat and travel back to Tatsukushi Port. (approximately 10 minutes)
 ・The activity ends at the port.

Plan contents

Acceptance period
Year-round (Holidays are unfixed)
* Online reservations can be made from 3 months to 3 days before the date of the plan.
Junior high school students and older: 1,560 yen
Elementary school students: 780 yen
Participation conditions
Tatsukushi National Marine Park Glass-bottomed Boat with Tatsukushi Kaichu Kanko
Time required
90 minutes or more depending on how much guests spend strolling
Number of participants
1 to 32 passengers
Meeting place
Activity time
8:30 a.m. to 4:30 p.m.
※ Please specify what time you wish to go in the comments field.

Information on the day

Transportation service
Not available
Things you need to prepare for the activity
Please dress in comfortable clothes and shoes. Take with you motion sickness prevention medication if necessary.
Please note that the tour is subject to cancelation due to bad weather or water conditions.
Special notes for groups
A 10 percent discount when participating with a group of 15 or over with prior booking
Fees include
Round-trip passenger fare from Tatsukushi Port to Minokoshi Beach
Fees exclude
The guide fee for the tour provided by the Tosashimizu Sightseeing Volunteer Guide Organization will be charged separately.
Payment method
Please pay via cash on site.
Cancelation policies
If you cancel on the day of the activity or fail to show up, we will charge 100 percent of your activity fee. We waive any cancelation fee provided you notify us by the day before.


Tatsukushi Kaichu Kanko
4135-2 Misaki, Tosashimizu-shi, Kochi 787-0450
TEL:0880-85-1155  FAX:0880-85-1198
■ Business hours:
8:30 a.m. to 4:30 p.m.
■ Holidays:
April 29 to May 8
August 13 to 15
January 1 to 3