What are some good beaches near Seattle?

I do not like beaches with life guards r, I prefer that if there r around so PPL you can get help if you're drowning. A lake where I can go canoeing with my friends and not a dirty lake / Mar. The lake I live is sooo dirty it is disgusting its brown and black. -shutter-haha I found a rather not start too

Alki Beach Park Beach Madrona Green Lake (Lake WA) Seward Park http://www.seattle.gov/Parks/beaches.asp

Canoeing on Lk Washington