Tour Currently offered Verified September 2026
U-do Submarine
Submarine tour off U-do and Seongsan Ilchulbong, with 20–24 departures a day year-round.
- Support vessel required
Overview
- Location
- Seongsanpo Port, Jeju, Seogwipo, South Korea
Operated by Jeju Sea World
Booking
- Operator
- Jeju Sea World
- Base
- Seongsanpo Port, Jeju, Seogwipo, South Korea
- Operating regions
- U-do and Seongsan Ilchulbong
- Pilot
- Included
- Support vessel
- Required
- Availability
- Currently offered
Sources
Tourism board or official body
-
Visit Jeju
Official Jeju tourism site: operated by Jeju Sea World from Seongsanpo Port, 08:35–18:20, 20–24 trips a day, 365 days. Says it travels "to a 500 meter depth", which is implausible (likely route length), so no depth stored.
Last verified: September 2026
Where it is
Seongsanpo Port, Jeju, Seogwipo, South Korea · Approximate base; the operator confirms the exact meeting point.
Nearby
Straight-line distances from this listing's base, not travel times.