World S1 (Super Mario Galaxy 4)

'''World S1: Let's Go! '''is the 7th World of Super Mario Galaxy 4 and is the first of the four Secret Worlds.

Galaxies

 * Piranha Hills Galaxy


 * Blooper Harbor Galaxy


 * Cataquack Galaxy


 * Chain Chomp Galaxy


 * Ray Beach Galaxy


 * Eel Bay Galaxy


 * High-Glide Galaxy


 * Battle Brawl Galaxy