Fr6Sa7Su8Mo9Tu10We11Th12
김녕성세기해변 (김녕해수욕장) · Jeju
The official closing-day note can't be read as a fixed rule, so we mark it “check before visiting”.

Photos: Korea Tourism Organization (KOGL Type1), shown unaltered.
| Mon | 8:00–18:30 |
|---|---|
| Tue | 8:00–18:30 |
| Wed | 8:00–18:30 |
| Thu | 8:00–18:30 |
| Fri | 8:00–18:30 |
| Sat | 8:00–12:00 |
| Sun | Closed |
| Holiday | Not listed — call ahead |
제주특별자치도 제주시 구좌읍 김녕로 114
Source: Korea Tourism Organization open API (modified listing as published). Hours can change without notice — please check the official website or call before visiting.