Cruise.com
"Hot off the fax" specials they say the cruise lines won't let them advertise by name.

Cruisehunt
This site claims it will "hunt down" the travel agent who has the best deal on your cruise.

CruiseNet America
This site offers no cruise more expensive than $699 USD. They specialize in finding lower-level inside rooms and last-minute vacancies.

Cruises Inc. Last Minute Specials
Another one of those sites for people with flexible schedules.

i-cruise.com: The Cruise Portal
From i-cruise (not to be confused with i-cruises below), this is a powerful database that offers a three-step search process.

Cruiseweb Special Offers
Scores of deals from a dozen major cruise lines. A good starting point if you're trying to come up with an affordable itinerary.

iCruises Special Offers
Six lines are featured: Carnival, Disney, Holland America NCL, Princess, and Royal Caribbean. Well-organized, with good inside information on cruise deals.

Welch Travel Cruise Specials
Here's a site that specializes in both diving cruises and other vacation packages.

Cruising with the Cargo?
will help you find out if freighter cruising is for you.

Bergen Line
It started as a fleet of Scandinavian mail ships that just happen to make deliveries along one of the world's most beautiful postal routes.

Internet Guide to Freighter Travel
One of the most complete sites for general information about freighter cruising. Includes tips and even a "freighter quiz."

Freighter World
Choose from 16 travel options, and read their section on why people forego Cruise Ship frills for freighter thrills.

Best Deals Afloat
Check out the latest and greatest deals compiled by About.com.

Freighter Deals
There is also has a net link section on freighter travel.