Gold Island is the culmination of the five Natural Islands, allowing all monsters found on those islands containing a Natural Element, the Supernatural Element, the Legendary Element (however, Werdos are not included), or a Seasonal Element to come together and sing. Gold Island is available at level 6 for free, after purchasing Cold Island. Only level 15+ monsters from the Natural Islands may be placed on it.
Gold Island is also accessible at level 6 without any purchase in the Apple, Android and PC versions of the game. It was first released on November 27th, 2012.
Gold Island exists in a different dimension from the Natural Islands, which is what enables the monsters to inhabit both their own native island as well as Gold Island. A monster's species, and its name, is the same on both islands because it is the same monster. Selling a monster on their native island will remove it from Gold Island as well. Any monster boxed on their 'home' island, or Teleported to the Colossingum, Seasonal Shanty, or Shugabush Island, will also be removed from Gold Island.
The monsters on Gold Island do not give money and cannot be fed. You cannot buy Structures or Decorations on Gold Island, and there are no obstacles to remove.
Currently, Axolity has 1,237,222 views for My Singing Monsters across 102 videos. The game makes up 3 hours of published video on his channel, or 79.03% of the total watchable video for My Singing Monsters on Axolity's YouTube channel.