| Address | Harbour OfficeNorrebro 1Sonderborg 6400Denmark |
| Port Authority | Sonderborg Havnekontoret |
| Phone | 45 74 42 27 65 |
| Fax | 45 74 43 30 19 |
| - | |
| Coordinates | 54°54'17" N, 9°47'7" E |
| Decimal | 54.9049367,9.7853935 |
| UN/LOCODE | DKSGD |
| Port Type | Seaport |
| Port Size | Small |
| Website | http://www.sonderborg-kommune.dk |
| Terminal | Unavailable |
| Region | Denmark Straits |
| Inland port | Unavailable |
| Mean tide | 2 feet m |
| Tide | Unavailable |
| Overhead Limit | Available |
| Swell | Unavailable |
| Channel | 36 - 40 feet 11 - 12.2 meters |
| Cargo Pier | 21 - 25 feet 6.4 - 7.6 meters |
| Mean Tide | 2 feet |
| Anchorage | 36 - 40 feet 11 - 12.2 meters |
| Harbor Size | Small |
| Shelter | Good |
| Max Vessel Size | Over 500 feet in length |
| Harbor Type | Coastal Breakwater |
| Compulsory | Unavailable |
| Available | Available |
| Advisable | Unavailable |
| Local Assist | Unavailable |
| Provisions | Available |
| Fuel Oil | Available |
| Deck | Unavailable |
| Water | Available |
| Diesel Oil | Unavailable |
| Engine | Unavailable |
| 0-24 Ton Lifts | Available |
| 25-49 Ton Lifts | Unavailable |
| 50-100 Ton Lifts | Unavailable |
| 100+ Ton Lifts | Unavailable |
| Fixed Cranes | Available |
| Mobile Cranes | Available |
| Floating Cranes | Unavailable |
| Wharves | Available |
| Med Moor | Unavailable |
| Ice | Unavailable |
| Anchor | Unavailable |
| Beach | Unavailable |
| Assist | Available |
| Salvage | Available |
| Pratique | Unavailable |
| Deratt Cert | Available |
| Longshore | Unavailable |
| Electrical Repair | Unavailable |
| Steam | Unavailable |
| Electrical | Unavailable |
| Navigation Eq | Unavailable |
| Ship Repairs | Limited |
| Marine Railroad | Medium |
| Degauss | - |
| Garbage Disposal | Unavailable |
| Dirty Ballast | Available |
| Telephone | Available |
| Radio | Available |
| Air | Available |
| Telegraph | Available |
| Radio Tel | Unavailable |
| Rail | Available |