Koopa hotel

The Koopa Hotels were seven different hotels scattered around the Mushroom Kingdom during Bowser's take-over events in Hotel Mario. Mario and Luigi had to go through each of the hotels to save Princess Peach and the kingdom. Each hotel was owned by a different Koopaling except for the last one, which Bowser owned. Strangely, Iggy Koopa did not own his own hotel and shared it with Bowser, appearing as a mini-boss in it. Inspecting the level data suggests that there is a missing sixth spot, but the game skips it. This would have presumably belonged to Iggy.

These are all the hotels in the game:
 * Morton's WoodDoor-Hysteria
 * Roy's HardBrick Hotel
 * Larry's Chillton Hotel
 * Lemmy's High-ate Regency Hotel
 * Ludwig's Thump Castle Hotel
 * Wendy's Blitz Snarlton Hotel
 * Bowser's Seizures Palace Hotel