Kitchen knives sharpened free at the meat counter at QFC. However, be aware that the machine cuts a wavy pattern in the blade. This may not harm cutting ability, but it makes future hand sharpening much more difficult.

Al's Blade Service. At the Food Co-Op and on-call to your home. Knives, garden tools, shears, etc.

Chainsaw chains at Henery's Hardware ($10 or so) and Just Ask Rental.

Denny on Nolton Road on Marrowstone. Can drop off at Carl's Building Supply. Sharpens saws, including circular saw blades.

Maybe at the boat school?