The Koopa hotels, or simply hotels, are seven different hotels scattered around the Mushroom Kingdom during Bowser's take-over in Hotel Mario. Mario and Luigi go through each of the hotels to save Princess Peach and the kingdom. Each hotel is owned by a different Koopaling except for the last one, which is Bowser's. Strangely, Iggy Koopa did not own his own hotel and shared it with Bowser, appearing as a mini-boss in it.
These are all the hotels in the game: