The Wellington Aquarium & Water Garden Society
- A group of people interested in cold water and tropical fish and plants (both freshwater and marine), ponds and water gardens. Based in New Zealand.
- http://www.wawgs.wellington.net.nz/

NAWGS
- North American Water Garden Society. An organization of pond lovers dedicated to enjoyment, promotion, education and protection of the water garden hobby.
- http://www.nawgs.com/

Central Ontario Koi & Pond Club
- Our primary goal as a club is to provide opportunities for members to learn and appreciate the science of koi keeping. Based in Ontario, Canada.
- http://www.cokpc.ca/

Aquatic Gardeners Association
- An international organization of aquatic plant enthusiasts, which appeals to both beginners and experienced hobbyists alike. The AGA produces a bi-monthly journal called The Aquatic Gardener.
- http://www.aquatic-gardeners.org/

Greater Toronto Water Garden & Horticultural Society
- Meetings held at Toronto Botanical Gardens with knowledgeable speakers, and a question and answer session to share ideas and experiences. Includes tours, events, and articles.
- http://www.onwatergarden.com/

Bluewater Pond Club
- Located in South Western Ontario, and offering events, tours, member list, a newsletter, suppliers, and member ponds.
- http://www.bluewaterpondclub.com/

Water Garden Club of BC
- Monthly meetings cover all the different aspects of water gardening in Western Canada.
- http://watergardenclubofbc.com/

Water Gardeners International
- Provides location for water gardeners seeking information on botanic and public gardens, clubs and societies, research, relevant publications, and an extensive library of water gardening articles and images on the Internet.
- http://www.watergardenersinternational.org/

Water Garden Club of South Texas
- Provides pond building instruction, tips, tours, events, plant and fish information, and a library of books.
- http://www.southtexaswgc.org/

Minnesota Water Garden Society
- Offers information about the society, its projects and newsletter, pond basics, plant profiles, and member photo gallery.
- http://www.mwgs.org/

Geneva Area Pond Club
- Expat-run club in Switzerland presents its meetings and other announcements. Site features photo galleries of members' ponds, aquatic plants, and fish.
- http://ponds.meetup.com/1/about/

Capital Area Pond & Water Gardening Society
- Baton Rouge club provides an overview of membership benefits, meetings and events, a photo album, and archive of newsletters.
- http://www.capwgs.org

Waco Pond Society
- For enthusiasts in central Texas. Instructions on how to make an automatic pond refill device, pictures, instructions, local retailers, and illegal aquatic plants.
- http://www.wacopondsociety.com/

Gainesville Koi, Goldfish and Watergarden Club
- Florida club presents its event calendar, meeting highlights, officer roster, and directory of links.
- http://www.pondhoppers.org/

Water Garden Society of Greater Kansas City
- Information about membership, programs, and resources, a message board, and photo gallery.
- http://www.kcwatergardens.com/

North Carolina Koi & Watergarden Society
- Club history and mission, membership information, newsletters and events, and photo galleries.
- http://www.nckws.com/

Iliana Garden Pond Society
- Ponders group in Northern Illinois and Indiana. Information about events and projects, expos and public gardens, and membership.
- http://www.illianagardenpond.org/

Santa Clara Valley Koi & Water Garden Club
- Club in California tells about its meetings, pond tours, and koi show, presents resources and articles, and offers membership information.
- http://www.sckoi.com/

Austin Pond Society
- Water gardening enthusiasts group in Texas offers membership information and information about events and tours.
- http://austinpondsociety.org/

Pioneer Valley Water Garden and Koi Club
- Club for Western Massachusetts and Northern Connecticut provides listing of club officers, meeting schedule, pond tour photos, and a membership application.
- http://www.pioneervalleypondclub.com/

Pikes Peak Water Garden Society
- Includes information about pond tours, plant sale, and meetings, and photos of members' ponds. Colorado Springs.
- http://www.ppwgs.org/

Colorado Water Garden Society
- Includes photographs of water gardens, event information and articles on ponds.
- http://www.colowatergardensociety.org/

Greater Phoenix Pond Society
- Includes pond tour details, newsletters, message board and photos of members' ponds.
- http://www.phoenixponds.com/

Eastern Iowa Pond Society
- Information about membership, annual pond tour, member pond showcases, newsletter, meeting minutes and event calendar.
- http://www.eips.org/

Topeka Area Water Garden Society
- Meets monthly to share the rewards of water gardening. Presents schedule, photographs, newsletter and message board.
- http://www.tawgs.org/

Miami Valley Water Garden Society
- Designed to promote, create and enlarge the hobby of water gardening. Dayton, Ohio club provides calendar, members' pond tours and articles.
- http://www.mvwgs.org/

International Waterlily Society
- Dedicated to the preservation, proliferation, and positive identification of all members of the Nymphaea complex. Membership includes subscription to the Water Garden Journal.
- http://www.iwgs.org

North Texas Water Garden Society
- An organization for people who are interested in water gardens, ponds and fish. Located in Dallas, Texas, USA.
- http://www.ntwgs.org/