Terrence,
Yes, there is bag storage at SEA. Last time I checked golf clubs there it was US$5 - $10 per day, if memory serves. It is located on baggage claim level under the escalators by carousel 9 or thereabouts.

Here's a link with a phone number:
http://www.quickaid.com/airports/sea/company/0525.html

Good luck,
jerry


[This message has been edited by jerry a. laska (edited 12-11-2000).]