Clearly, I understand why you want a year round tenant, particularly as the property may get a bit more wear and tear if it were rented as a seasonal ski house and was crammed full of skiiers. However, this seasonal rental option may be viable and profitable one if the year round rental market is more depressed. You may just want to inquire to see what the numbers look like.
I am sure whomever you contact locally will advise you of this as well, but do check out your prospective tenants well - get references and actually call them, have a credit report pulled, have them fill out a thorough rental application and verify the information that you can. Good luck and hopefully you will soon hear from some local agents. Andrea