General Cryptozoology:

• Dr. Karl P. N. Shuker's Website
• Mystery Animals of Ireland
• CryptoSafari
• Ron Schaffner's Creature Chronicles
• Virtual Institute of Cryptozoology
• Christopher O'Brien's Suggested rules for investigation of unusual claims
• The Enigma Project
• Science Frontiers Online - William Corliss' site
• Centre for Fortean Zoology
• British Columbia Cryptozoology Club
• Strange Magazine
• The Anomalist

Mystery Primates:

• Bigfoot Encounters
• Bigfoot Times

Aquatic Unknowns:

• Lake Van, Turkey, monster? - includes amateur video
• Aquatic Monsters Site
• The Great New England Sea Serpent
• A sighting on Lake Memphremagog
• NOVA Online: The Beast of Loch Ness
• Louisiana sea monster sighting of 1856

Marsupial Unknowns:

• The Quest for Thylacoleo
• Thylacine Museum

Cryptozoology and Folklore:

• Folklore and LegendaryAnimals in Knox County, Indiana
• Thunderbird Petroglyphs of the Upper Midwest

Misc. International Cryptids:

• Was a Mokele-mbembe killed at Lake Tele? by William Gibbons
• Erik Knatterud's Site, on the lake monsters and other cryptids of Norway
• A Belgian cryptozoology group

Cryptozoology and Hoaxes:

• The Living Legend of the Rhinelander's Hodag

Cryptofiction:

• In a Place of Dragons, by Jerry Gibbs

North American BioFortean Review
Cryptofiction: Cryptozoology's Short Stories
Cryptofiction: Old Time Radio
A Cryptozoology Library
StrangeArk Blog