Ecco:DoF guide  
   Half completed walkthrough for ecco:dof that has the orginal feature of being available both in english and french.
   http://www.angelfire.com/games2/ecco/dcguide.html

Foggy's - Ecco The Dolphin  
   Sega Walk Throughs and cheats for Ecco The Dolphin.
   http://www.foggy.co.uk/sega/ecco.html

Ecco the Dolphin Forum at GameTalk  
   A forum to talk with other ecco fans about anything like help and codes to even descussing problems.
   http://www.gametalk.com/talk/pc/ecco_the_dolphin/page01.htm

Ecco-le-dauphin  
   A french Ecco the Dolphin site with a fan art work section and forum.
   http://www.ifrance.com/Ecco-le-dauphin/

Tim Follin's Burial Site  
   The creator of the music in Ecco the Dolphin: Defender of the Future presents exerpts from the music on his personal website.
   http://www.timfollin.pwp.blueyonder.co.uk/

yivdesign  
   A website with many wallpapers designed by an ecco fan.
   http://www.yivdesign.narod.ru/

Maurice Molyneaux, Game Designer: c.v.  
   Maurice Molyneaux, Game Developer. All about his work on games for Verizon and Nokia such as Drakan, Deep Space Nine, Rules of Engagement 2, etc. Also has some information on his involvement on Ecco, Defender of the Future.
   http://www.mpmolyneaux.com/

GameFAQs: - Ecco: DoF Forum  
   Forum where you can talk to other ecco fans, there are also a large number of ecco resources there such a faqs.
   http://www.gamefaqs.com/console/ps2/data/12276.html

Appaloosa Interactive  
   The official website of the creators of Ecco the Dolphin, covering information on their greatest videogames - including Ecco games.
   http://www.appaloosacorp.com/

Ecco the Dolphin - Wikipedia  
   Very thorough description of the complete Ecco the Dolphin series with a great introduction and informations about each of the games.
   http://en.wikipedia.org/wiki/Ecco_the_Dolphin

Ecco the Dolphin: Caverns of Hope  
   An Ecco the Dolphin site covering a lot of topics with an ever-growing amount of information about the games and related stuff. News and Downloads can be found here, as well as a growing community.
   http://web8.orcaserver.de/ecco/