The Southern Islands Collection (Japanese: サザンアイランドSouthern Islands) is the name given to a special set of cards for the Pokémon Trading Card Game.
In Japan, the Southern Islands set was initially released with the second Pokémon movie in two promo folders, each with 9 cards per set (Rainbow and Tropical Island) and decorated artwork. The collection was also released as 3-card box sets. These box sets focused on a particular region from one of the two Southern Islands: Tropical Island and Rainbow Island. The English version came as a decorated folder and included the cards, postcards and 3 booster packs. Even though Wizards compiled the collection into one set, all of the original artwork including the islands and the full picture of each region (which was split into three to provide the card art) were featured on the folder.
While in the Japanese version the cards have the old Base-Rocket design, the English release saw them in a Neo series design. Interestingly, this made the Generation II Pokémon featured the only ones of their generation to have Base-Rocket-styled cards, and Slowking the only non-Generation I evolved Pokémon to have had a square evolution box (all later card styles retained the circular evolution box).
This was a very desired collection when it first came out in Japan. Its English release is a rare example of a promotional TCG product that has retained everything, including its original artwork, after localization.
None of the cards have rarity symbols, as they are part of a fixed set. The English cards were numbered in the same fashion as Wizards Black Star Promos, while the Japanese cards remained unnumbered.