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/534932.html

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

DARK SEA : The Ultimate Ecco the Dolphin Resource
- Ecco DARK SEA was founded to provide fans with all information and multimedia available in regard to these classic games, including their development.
- http://www.ecco-darksea.com

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/

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

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

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/

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