If you like being on the water, Seattle has many activities to offer—from seaplanes to kayaks. And, of course, there are plenty of opportunities to go sailing or rent a motorboat. There are lots of ways to get out on the water right in the center of the city. At Lake Union, there are 1.5-half hour cruises that offer great views of the lake and the city. Or you can ride the Ducks, the famous boats touring around Seattle.
Lake Union offers all kinds of boats for rent, even a hot tub boat and traditional wooden boats that will be a great challenge for your rowing and sailing skills.
If you want to see more of the natural beauty in the Pacific Northwest, you can rent a sailboat and go island hopping. Whidbey, Fidalgo, and San Juan islands have plenty of natural preserves with rich wildlife—orca whales, amazing waterbirds, seals, and sea lions. Many consider sailing through Deception Pass an experience of a lifetime!
Boat tours operate year round, but the weather is most pleasant from April to October, so it's more enjoyable to stay on the deck and take wonderful pictures.