GetAfloat - http://www.getafloat.com/
Provides boating news and information along with contact details for hundreds of marine related businesses.
OutdoorEd.com - http://www.outdoored.com/
The premiere resource for outdoor education and experiential education professionals with articles, discussion forums, blogs, company and organization listings, job listings, training listings, protocols, and curriculum.
OutdoorMind - http://www.outdoormind.com/
Search for outfitters, shops and products.