Sea Kayaking - Gallery Kayaking on the Friday Harbor side of the island means watching the ferries, sailboats and bald eagles glide by. Kayakers off the North end of San Juan Island in May Harbor seals snoozing, bull kelp floating a lazy afternoon. Did you know that bull kelp can grow up to 12 inches in a 24 hour period? Learn lots of cool things on our kayak tours. Bull Kelp along Henry Island Our new docks at Friday Harbor Easy to get in, easy to get out and a beautiful coastline tour route. Following the coast line of San Juan Island out of Friday Harbor headed to the NE The Guides Practice Rescue Training