They do have a laundry room that you can wash and dry your own clothing. The resorts that do offer laundry service charge a whole bunch for the service.
Here is what the costs were at WL/VWL in November 06 when we went:
Dry Cleaning
Suits 11.50
3 PC Suits 12.00
Coats 8.00
Pants 6.50
Jackets 7.50
Overcoats 12.50
Shirts 6.25
Sweaters 7.50
Ties 3.50
Blouses 6.25
Dresses 11.60
Gowns/Jumpsuits 20.00+
Laundry
Shirts 5.50 (you can request heavy starch, folded, light starch, hangers, no starch)
Pants 6.50
Socks 2.00
Undershorts/panties 2.00
T-shirts 4.50
Sweatsuit 7.50
Pajamas 6.00
Undershirts & Bras 2.00
Handkerchiefs 2.00
Blouses 5.50
Slips 4.50
Nightgowns 6.00
Tennis shorts 5.00
Knit shirt 5.00
Plus an environmental surcharge
Liability limited to 10 times the dry cleaning charge.
Not responsible for buttons, ornaments and zippers.
Items received by 8:30AM will be ready by 6:30PM
Silks, linens and pleats 50% surcharge; lined +1.00; minimum charge $5.00; shirts folded on request +10% surcharge; press only 75% of dry cleaning charge.