Name: Undersea Tunnel - Tongyeong (해저터널-경남 통영)
Location: Dang-dong, Tongyeong-si, Gyeongsangnam-do

Address	Dang-dong, Tongyeong-si, Gyeongsangnam-do
Area	Gyeongnam
Type	Tourist attraction
Directions	Naver Map Kakao Map Google Maps Google Maps has no turn-by-turn directions in Korea. Why

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While you are there

Read before you go

Buses and Subways in Korea: How to Actually Ride Them
What to tap, where to tap, and the one mistake on buses that quietly costs you money. Fares, cards and transfer rules as of August 2026.
Why Korean Apps Reject Your Phone Number
Korean sites check your identity through a Korean mobile carrier. A tourist SIM has no record there, so sign-up fails no matter how many times you retype the number. Here is what still works.

Source: Korea Tourism Organization (TourAPI). Listing generated 2026-08-26 16:21 UTC; details can change — check the official page before you go.