» Latvian Multihull Yacht's Association
Supports building and racing of catamarans and other multihulled boats. Includes short history of organization and calendar of events.
http://www.ldja.lv/en/
» Latvian Scuba Divers Association
Amateur group offers dive tourism, underwater photography and organization of competitions. Includes list of services and expeditions.
http://www.diver.lv/en/
