Mini-Islands

Mini-islands (or non-islands) are islands that can be obtained via the Poptropica Store.

Cost
Usually a gold card is worth 250 credits, but most of the mini-islands don't cost 250. Some are free, some cost more than 250.

Reward
Unlike the regular islands, which you can get 100 credits for completing it, mini-islands' rewards are reduced. Instead of 100, you get 50 credits. Some mini island have other rewards beside 50 credits.

List of Mini-Islands
Here are a list of mini-islands according to date (cost) :
 * Haunted House (350 credits) (It was free before.)
 * Dr. Hare's Secret Lab (250 credits) 
 * Earth Day (free) 