Estonian Birding Society - A Finnish asociation that promotes bird observation as a hobby in Estonia. [Finnish, English] - http://www.vironlintuseura.fi/
Estonian Marinas - A comprehensive index of small harbors in Estonia and their services. [Estonian, English] - http://marinas.nautilus.ee/
Underground Estonia - Photos and brief descriptions of various interesting subterranean sites in Estonia. [Estonian, English, Russian] - http://www.diggers.ee/
Bicycle.ee - Information for cyclists. Description of routes and listing of bicycle repair shops. [Estonian, English, German] - http://www.bicycle.ee/
Estonian Rugby Federation - News, shop, training, tournaments and photo gallery. [Estonian, English, Russian] - http://www.rugby.ee/