| Department | Number | Extension | |
| Inquiry | Guest Service Center | 051) 743 - 1234 | 0 |
| Reservation | Reservation |
051) 743 - 1234 | 6219 ~ 23 |
| Banquet Reservation |
051) 743 - 7302, 7304 | 6340 ~ 1 | |
| Wedding Reservation | 051) 743 - 7302, 7304 | ||
| Restarunt | Ventanas |
051) 746 - 8481 | 6480 |
| Seascapes | 051) 746 - 8265 | 6260 | |
| Deli |
051) 746 - 8265 | 6260 | |
| Le Bouchon |
051) 743 - 1234 | 6267 | |
| Ocean View |
051) 743 - 1234 | 6267 | |
| Chopsticks & Pizza |
051) 743 - 1234 | 6271 | |
| MURPII | 051) 743 - 1234 | 6071 | |
| Other Facilities |
Club Esprit |
051) 744 - 1177 | 6604 |
| Ryan & Lillian |
051) 744 - 6155 | 6917 ~ 8 | |
| Gana Art Busan |
051) 744 - 2020 | 6614 | |
| Beauty Salon |
051) 747 - 6292 | 6615 | |
| Barber Shop | 051) 743 - 1234 | 6614 | |
| Rooms | Front Desk |
051) 743 - 1234 | 6208 |
| Concierge |
051) 743 - 1234 | 6209 | |
| Business Center |
051) 743 - 1234 | 6238 | |
| Executive Lounge | 051) 743 - 1234 | 6850~3 | |
| Back office |
Sales |
051) 743 - 1234 | 6330 |
| Marketing(PR) |
6315 | ||
| Human Resorces |
051) 743 - 1234 | 6006 | |
| Jinsan Advantage Plus |
051) 747 - 1564 ~ 5 | 6307~8 | |
| Seoul Office |
02) 737 - 0390 ~ 3 |
