Greek Islandhopping
The island hoppers web site. updates for guidebook 'greek island hopping' users.
http://www.greekislandhopping.com/
Greek travel page
The ultimate source of information for tourism professionals and travellers to greece. search within 17,000 greek destinations for geographical, historical, mythological and cultural data. find ferry connections within 30,000 available schedules. retrieve updated information for 10,000 travel related companies, such as travel agencies, hotels, airline companies, passenger sea lines, tourism organization offices and umpteen other useful information.
http://www.gtp.gr/default.asp
Rick Steves
Planning tips to help maximize your time and money spent in europe.
http://www.ricksteves.com/greecebook/islands.htm