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US$ 42 US$ 34

Udo Island Submarine

Dive into the deep waters of Jeju's largest island

Jeju 100 Booked

Go on a unique adventure in Jeju: hop into a submarine and descend to discover exotic marine life around Udo Island on a 80 minute underwater quest

  • Get the unique chance to explore the marine life of Udo Island in a submarine
  • Learn about the life of local marine species in their natural habitat
  • Watch swarms of fish, colorful seaweed, rare corals and more as your tour Udo Island on the underwater exploration tour
  • Enjoy the beautiful scenery of the majestic "Cow Island", the largest island in Jeju province
  • A great alternative to diving or snorkeling, suitable for any age
What We Love:

Explore the shores of Udo Island and discover its thriving marine environment on an underwater submarine adventure. Udo Island, located northeast of Seongsan, is the largest island in the area. Dubbed "cow island" because of its interesting shape, the island boasts stunning nature and attracts over a million visitors a year. Discover Udo on a unique submarine tour to see its incredible variety of marine life. As your submarine changes depths, watch an amazing nature show unfold before your eyes and see different types fish and plant life found in the area. As you get back to the surface, enjoy wonderful views of the island and don’t forget to take pictures.

Activity Details

80 Mins


Min 1


24 Hours

48 Hours


  • You will receive confirmation of your booking's availability within 1 business day. Once confirmed, we will send you the voucher via email
  • If you do not receive an email from us, please check your Spam folder or contact us via email

Inclusive Of:

  • 80 minute submarine experience
  • Shuttle boat to board the submarine


  • Departure times: 9:45am, 10:30am, 11:15am, 12:00pm, 12:45pm, 1:30pm, 2:15pm, 3:00pm, 3:45pm
  • Please select your preferred departure time at checkout

Additional Information:

  • Child ticket: Age 3-12
  • Junior ticket: Age 13-18
  • Adult ticket: Age 19 and above
  • Note that you will not visit Udo Island itself, the submarine will go between the U-do and Seongsan Pohang region

How To Use

  • You must present a printed voucher and your passport for this activity
  • The voucher is valid only on the tour date and time specified
  • Redemption location: ticket office at U-do submarine Seongsan Pohang Passenger Terminal
  • Ticket office opening hours: 9:20am-4:05pm daily
  • After you redeem your ticket, you will take the boat shuttle service at the Seongsan Pohang port which will take you to board the submarine

How to Get There:

  • Address: 347-9 Seongsan-ri, Seongsan-eup, Seogwipo-si, Jeju, South Korea (제주도서귀포시성산읍성산리347-9번지우도잠수함)
  • Take no. 500 from airport to Kwangyang, and transfer to no. 701 to Seongsan Pohang station, walk another 10 minutes to reach the terminal
  • Take no. 780 from Jungmun resort to Namsung Ipgu station, and transfer to no. 701 and get off at Seongsan Pohang station, and walk another 1 minutes to go to the terminal


  • Full refunds will be issued for cancelations made at least 48 hours prior to the activity
  • Date change can be accepted at least 48 hours prior to the activity
US$ 34 42
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