| Address | PO Box 1012Nynasvagen 2Nynashamn 149 25Sweden |
| Port Authority | Nynashamn Hamn AB |
| Phone | 46 8 5201 0615 |
| Fax | 46 8 5201 8947 |
| - | |
| Coordinates | 58°55'0" N, 17°56'60" E |
| Decimal | 58.9166667,17.95 |
| UN/LOCODE | SENYN |
| Port Type | Seaport |
| Port Size | Small |
| Website | http://www.stoports.com |
| Terminal | Unavailable |
| Inland port | Unavailable |
| Tide | Unavailable |
| Overhead Limit | Unavailable |
| Swell | Unavailable |
| Channel | 41 - 45 feet 12.5 - 13.7 meters |
| Cargo Pier | 26 - 30 feet 7.1 - 9.1 meters |
| Mean Tide | - |
| Anchorage | 26 - 30 feet 7.1 - 9.1 meters |
| Oil Terminal | 46 - 50 feet 14 - 15.2 meters |
| Harbor Size | Small |
| Shelter | Excellent |
| Max Vessel Size | Over 500 feet in length |
| Harbor Type | Coastal Natural |
| Compulsory | Available |
| Available | Available |
| Advisable | Available |
| Local Assist | Unavailable |
| Provisions | Available |
| Fuel Oil | Available |
| Deck | Unavailable |
| Water | Available |
| Diesel Oil | Available |
| Engine | Available |
| 0-24 Ton Lifts | Unavailable |
| 25-49 Ton Lifts | Available |
| 50-100 Ton Lifts | Unavailable |
| 100+ Ton Lifts | Unavailable |
| Fixed Cranes | Available |
| Mobile Cranes | Unavailable |
| Floating Cranes | Unavailable |
| Wharves | Available |
| Med Moor | Unavailable |
| Ice | Unavailable |
| Anchor | Available |
| Beach | Unavailable |
| Assist | Available |
| Salvage | Unavailable |
| Pratique | Unavailable |
| Deratt Cert | Available |
| Longshore | Unavailable |
| Electrical Repair | Unavailable |
| Steam | Unavailable |
| Electrical | Unavailable |
| Navigation Eq | Unavailable |
| Ship Repairs | Limited |
| Degauss | - |
| Garbage Disposal | Unavailable |
| Dirty Ballast | Available |
| Telephone | Available |
| Radio | Available |
| Air | Unavailable |
| Telegraph | Available |
| Radio Tel | Available |
| Rail | Available |