Gang-dong Sea Water Spa is a hotspring that utilizes seawater from the sea in front of Jeongja, boiling it at temperatures exceeding 100°C, resulting in high salinity and excellent sterilizing effects. The facility offers a range of baths, including Iodine Bath, Cold Seawater Bath, Hot Seawater Bath, and Trench Hot Bath. Renowned for the exceptional quality of its seawater, the hotspring attracts numerous visitors seeking its therapeutic benefits. The breathtaking view of the sea from the baths adds to the overall experience.