Isberget Supporterklubb is affiliated with Tromsø Idrettslag and was established in the winter before the 1996 season. The club aims to gather and organize supporters who want to cheer on the team during matches, with a focus on singing and shouting. Over the years, Isberget has become an important part of the supporter community in Tromsø, and helps to create an engaging atmosphere at matches.
The supporterklubb arranges annual meetings and social gatherings for its members, and offers news and updates about the team. Isberget engages its members through discussions and statements, which contributes to the sense of community among the supporters. The club also has an active presence on social media, where they share information and updates. In addition, they provide information about TV2 Play subscriptions for sports viewing, which may be of interest to football fans.