Kassos-Island.gr

A very good site provided by an island travel agent with plenty of pics and useful text. Pages cover everything from boat hire to island walks. Photos include shots of nearby Armathia and Makra islands.

GNTO Tourist Info

A collection of useful pages with small photos and useful information.

Dilos.com

Single page with two nice photos and the usual basic text/phone numbers.

One World

A page devoted to both Karpathos and Kassos. Most of the info relates to Karpathos.