Small ship, destination-oriented line with ships operating in Australia and the South Pacific. Offers online booking.

Popular, mass-market cruise line with sailings to the Caribbean, Mexico, Europe and Alaska. Information about destinations, excursions, and life on board. Direct bookings.

Premium-priced line with mid to large-size vessels sailing to the Caribbean, Alaska, Europe, and South America. Offers online booking.

Small-ship line (maximum capacity 102 guests) sails in Alaska, the Pacific Northwest, Mexico, Costa Rica and northern Asia. Includes a crew and officer blog written from the ships.

High-end cruise line with mid-size ships sailing relatively exotic, longer itineraries. Numerous theme cruises each year. Includes a travel agent finder.

Luxury line following British ocean liner tradition. Trans-Atlantic crossings, around-the-world, Caribbean and European cruises. Includes historic information and a travel agent finder

Low-cost cruise holidays in the Greek islands and Turkey. A la carte pricing (food is not included), many over-nights in port, and a young demographic. Offers online booking.

Large, premium-priced line known for gracious service. Mid-sized ships sail to Alaska, Caribbean, Europe and exotic locations including an annual around-the-world cruise. Offers direct booking.

Exploration-oriented cruise line focused on remote, beautiful coastlines in Norway, Greenland and Antarctica.

Adventure cruises and exotic vacations to the Galapagos, Alaska, and Antarctica. Includes extensive information on destinations and affiliation with National Geographic