Waki-Waki

From the Super Mario Wiki

Waki-Waki is a large tropical and volcanic island located in Lava Land; as well as having a large amount of Mushroom natives on it (the Aloha People), Waki-Waki also has various types of butterfies and an Ostro living on it.

In The Super Mario Bros. Super Show! episode "Too Hot to Handle", Mario, Luigi, Toad and Princess Toadstool travelled to Waki-Waki in search of it's Fire God, who had promised to help them defeat King Koopa and free the Mushroom Kingdom. After a lot of trouble, Mario, Luigi, Toad and Princess Toadstool managed to save Waki-Waki from being destroyed by Fryguy and King Koopa, who had disguised himself as the Fire God, and their Lava Machine.

Islands

Australia | Banana Fairy Island | Baseball Kingdom | Blooper Bay | Castaway Bay | Cheep-Cheep Island | Chocolate Island | Circuit Break Island | Crescent Island | Crocodile Isle | Delfino Airstrip | Dinosaur Land | Donkey Kong Island | Ghost Island | Giant Land | Hawaii | High-High Island | Isle Delfino | K. Lumsy Island | Keelhaul Key | Kitchen Island | Koopabiza | Koopatraz State Prison | Krematoa | Kremlantis | Lavalava Island | Mekanos | New York City | Oho Oasis | Paradise | Pinna Park | Pipe Land | Pirate Land | Sarasaland | Seaside Area | Shadow Moses Island | Sherbet Island | Sherbet Land | Sun Sun Island | Sunshine Isles | Temple | Timber's Island | Tiny-Huge Island | Tropical Island | Vibe Island | Waki-Waki | Waluigi's Island | World 3 (NSMB) | Yo'ster Isle | Yoshi Circuit | Yoshi's Island | Yoshi's Tropical Island