As long as they are both desease free why couldn't you ?

Should be no problem as long as they don't live together. Snake mites will transfer from one cage to the next so I'd suggest you quarantine your snake in a different room if possible, but with 2 animals its not the end of the world if you can't. You can do a lot to avoid the snake mites if you buy your snake from a breeder instead of a pet store.

I would quarantine the snake in a different room for at the very least 90 days. You would see mites or signs of internal parasites by then and could treat them. Most of the other communicable stuff takes longer to present itself but the only other thing I can imagine passing between a snake and a lizard is Crypto and after 90 days you should see symptoms of that anyway. I do not know if one can be a crypto carrier and not have symptoms...fellow Iherpers?

After the initial quarantine period it is fine to keep them in the same room. :)

Oh and I would suggest making it so that the Iguana can't see the snake from inside it's cage. They do react and it could stress it out. We use cardboard decorated with aquarium liner to seperate lizards.

I agree with all of the above. Especially Shell as far as line of sight. I have shelving all the way around my reptile room with tanks right next to eachother, so we just used some packaging paper to block out the sides of each tank so they don't freak out seeing eachother... as well as if one's feeding day is different than the other, they see eachother food through the tanks and become aggressive toward you thinking it's time for them to eat also.

Yes, snakes can be asymptomatic crypto carriers (from what I've read).

If you buy from a private breeder who has a fairly closed collection, you should be fine on the quarantine period. Best practices say quarantine for 60-90 days, but I think for the most part, that's largely impractical for most people. So if you are going to put them in the same room, buy from someone closed. If you buy from a Petsmart or whatever, then the QT is far more important. The rate of disease is far greater in the Wholesale Pet Trade than in private collections.

Also, for the quarantine period, take care of new animals last. Shower and decontaminate between handling animals, cleaning poop, etc. Don't hang out with the ball python and then go cut up veggies for the ig... Pretend that each animal has a very contagious disease, and think about that any time you are working with them, playing with them, touching things they have touched. I'm probably more paranoid than most, but I keep that in the back of my head any time I'm doing anything with the animals. It keeps me sharp and smart.

A+ Aaron!!!

put the bp in a cage let the iggy roam in the room

I'm am seriously against dissing other people's advice, but I have to speak up on this one:

DO NOT let your iguana run loose when you aren't around. They can get hurt easily with all sorts of commonly found items and substances, and you will find poo in places you never expected to find it.

I would put the enclosures on opposite sides of the room.  Wash and sanitize hands before handling the other.

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