Marholmen Hotell och Konferens AB
| License number | 3055 0492 |
| Phone | 0771-16 17 00 |
| Website | http://www.marholmen.se |
| Address | Marholmen 1 SE-761 97 Norrtälje |
| License number | 3055 0492 |
| Phone | 0771-16 17 00 |
| Website | http://www.marholmen.se |
| Address | Marholmen 1 SE-761 97 Norrtälje |