Sea the World - Cruises and Tours
- Full service agency booking worldwide destinations; includes specials, company profile, and contacts.
- http://www.seatheworldtravel.com/

Floridakeys.com
- Directory for accommodations, diving, fishing, activities, shopping and dining. Addresses and contact information plus link to web site where available.
- http://www.floridakeys.com/marathon/index.htm

Florida Keys Info-Net
- Fishing reports, information on places to stay, vacation rentals, real estate.
- http://flkinfo.com/mt/

Best of The Florida Keys
- Information on hotels, motels, diving, fishing, and tourist amenities.
- http://www.thefloridakeys.com/marathon