Introduction to Haeundae Hot Spring: As a simple alkaline salt spring, Haeundae Hot Spring contains radium and is effective in treating various adult diseases such as skin diseases, hypertension, rheumatoid, anemia, and digestive system diseases. It has very good curative effects. About 600,000 people come here to soak in the hot springs every year. The beach in front of the Haeundae-gu District Office is home to many hot spring public baths, where you can enjoy various foods such as delicious puffer fish soup and barbecued meats.