Here are a few of my kayaking bookmarks. Please report broken links or send your list to info at arenalkayaks.com. If your site is included here please reciprocate and link to Arenal Kayaks.
General Interest Links
Kayak Forum, connect with other kayakers in online discussion
See Kayak, a sea kayak links directory
Kayak Building WebRing, excellent "kayak surfing" place
Canoeing and Kayaking Info, Paddling.Net
Arctic Kayaks, history and information about the people and their craft in the Arctic written by an anthropologist with the National Museums of Canada
Hawaiian Canoe Building, Polynesian perspective on human-powered watercraft and their culture
KAYAK, a simple lightweight single hull waterbourne vessel orginally used by Eskimos, kayaks, dinghy's, and the sport of canoeing.
Kiliii Dreaming, Ancestral Ways Photography
Necky Kayaks, Nice commercial site for kayak design ideas and information
Sea Kayaking, kayaking tips, gear, etc.
Zines
Canoe & Kayak Magazine Online, up to date kayak reviews, tips, photos, covering all aspects of kayaking and canoeing
Canoe Plans, looking to build a canoe? This is a good resource for plans.
John Petrocelli and Bob Huszar, The Salty Dog Sea kayaking magazine - NY Sea Kayak, Canoe, Recreation
Wavelength Magazine, Paddling through a world of kayaking information
Paddles
Paddle Building, offsets table adapted from Nick Schade's paddle plan
Make a Paddle with a Twist, a better way to create an offset paddle?
Gear
Equipment, NRS - Kayaking Gear, Rafting Supplies and Boating Equipment
Plans & Builders
Plans, Build your own kayak, sea kayak kits and kayak plans
Blue Heron Kayaks, a very well done site and incredible kayak construction
Homebuilders - Redfish Kayaks, more excellent presentation of excellence in design and construction of wooden kayaks
Boat building links, page contains links to articles about building
Design
Kayak design, some good background material on kayak design, different hull shapes, and other useful kayak related information
Design Comparisons, Kayak Speed and Hydrodynamic Designs
Terminology, Hydrostatics of kayak designs, form coefficients, volumetric and waterplane properties