B&B Team - Inn consultants and brokers
The B&B Team is an inn broker and consulting service provider serving innkeepers nationwide. They offer fantastic insights into the B&B industry, and are one of the largest and most trusted industry partners.

INNspiring.com | Innkeeper Forum
A very active innkeeper forum, where you can get a lot of your questions answered. They also have good links to innkeeper resources.

Inn Partners
Inn Partners conducts seminars for future innkeepers, in addition to providing consulting services for inn buyers and sellers. They also exclusively market many of the B&Bs available for purchase nationwide.

The Inn Broker
Bed and Breakfast sales and consulting. An absolute must if you are considering a property in Michigan.

The B&B and Country Inn Marketplace
Inns and Bed and Breakfasts for sale. A marketplace to find your new inn property, or to list your B&B for sale.

One of the original bed and breakfast directories is being relaunched, and they are allowing innkeepers to add their B&B listings for free.

About.com: Bed and Breakfasts
Lots of good information about bed and breakfasts, with specific sections for aspiring innkeepers.