Sleipnir Island

Sleipnir Island was an island in the Barbaric Archipelago in the How to Train Your Dragon franchise.

Midnight Scrum
Following Krogan's capture of Hiccup Haddock III, Ryker Grimborn met with Krogan at the island. However, Ryker refused to pay Krogan the bounty. A fight ensured between Krogan and Ryker's dragon hunters. Hiccup tried to make his escape by causing a stampede of sheep toward Ryker and his men.