Aquanet
http://www.aqua.net.au/aqua/index.html
Australian marine directory.  Useful for getting contact information on kayak manufacturers and retailers, clubs and marine services of all types.  Seems to contain directory-type information only, not links to web pages.

Boatbuilding.com
http://boatbuilding.com/
The Internet boat building, design, and repair resource for amateurs and professionals.

Bruce's Paddling Page
http://www.macol.net/~bef/BrucesPaddlingPage.html
Contains links to both sea and whitewater kayaking, as well as good general resources.

Databoat International Limited
http://www.databoat.com/
Contains links to kayaking and canoeing.  Links include many, many other sources of information.

GORP
http://www.gorp.com/gorp/activity/paddle.htm
A large list of links to whitewater and sea kayaking sources.  Covers gear, reading, clubs and associations, online resources, and more.

ILENA Kayaking Index
http://www.ilena.demon.co.uk/
A link list with mostly British and US sources.  Includes manufacturers, gear, retailers, organizations, forecasts, events, magazines and more.

Internet Sea Kayaking Resources
http://www.ckf.org/other.html
Very large compilation of links presented by the California Kayak Friends.  Includes: general paddling information, associations, clubs, groups, outfitters and instructions, manufacturers, mailing lists and more.

Kayaking Links from all Over the World (from Teepkki's Paddling Page)
http://www.tky.hut.fi/~teepakki/kayak/kayak_links.html
Includes kayaking magazines, kayaking pages, kayaking gear, mail orders and more.

Lightning Links to the WWW
http://www.paddles.com/links/index.html
Links to a wide variety of paddling sources, both sea kayaking and whitewater.

Mother of all Maritime Links
http://www.cyber-dyne.com/~jkohnen/boatlink.html
Extremely large list of links with a significant number of links to sea kayak manufacturers, tour companies, retailers, dealers and more in the "Canoe and Kayak" section.

Pacific Northwest Racing Canoe Page
http://www.nwcanoe.com/links.html
Links to racing and general paddling resources.  Note: Contains a fair amount of whitewater information.

Paddling Page (By John Fereira)
http://mayfly.mannlib.cornell.edu/john.htm
Links to kayak and paddle manufacturers, retailers, message boards, clubs and magazines.

Sea Kayaking Outfitters/Expeditions
http://adfdell.pstc.brown.edu/kayak.html
Large list of links to outfitters and retailers (mostly in the U.S.).

Some Other Internet Sea Paddling Resources
http://155.187.10.12/jrc/kayak/others.html
An enormous list of links from the NSWSKC.  Includes Australian and regional kayak pages, clubs, personal pages, magazines and newsletters, associations and organizations, articles, manufacturers and more.

Wave~Length Paddling Network
http://wavelengthmagazine.com/industrylinks.html
A geographic & alphabetic index to paddling guides, outfitters, retailers, manufacturers and clubs, links to environmental and paddling resources around the Internet and the current issue of Wave~Length Paddling Magazine.

World of Canoeing
http://www.nif.idrett.no/padling/worldmain.html
A MASSIVE and well-organized list of links by the Norwegian Canoe Association.   Perhaps the biggest list of kayak and canoeing links existing.  Covers a wide variety of water sports activities in countries all over the world.