Painting by Pablo AmaringoAccomodations
There are a wide variety of hotels in all price ranges in Iquitos, you will find most of them under hotel listings. You also have the option of staying at the Soga Del Alma Chapel, free of charge. Read more about the chapel here
If you are travelling alone, maybe you want to find someone to share a room with, so you might want to check out the "find the others" page to get in touch with other attendees.