There are a few places around the Wellfleet area for you to enjoy internet access
if you're willing to leave the comforts of your vacation home:
The Wellfleet Public Library has 8 high-speed internet computers & wireless access available to all - no library card necessary. 3 of the 8 are 15 minutes express stations with no signup (wait your turn). The others can be booked in person or by phone for a half hour.
There's free wireless access for customers of the Flying Fish Cafe & Deli, 29 Briar Lane in Wellfleet (508) 349-7292 / 349-3100 across the street from the original Box Lunch location (behind the center of town in Wellfleet). They may have limited power outlet facilities.
Also, free wifi at Dunkin' (508) 349-2525 2393 State Hwy Rte 6, Wellfleet
Free wifi in Eastham can be found at the Eastham Public Library at 190 Samoset Rd, Eastham (508) 240-5950
Another place is the Tiger Restaurant & Cafe which is part of Willy's Gym. It's a few miles down the road on Eastham. Here's the link: http://www.willysgym.com/ You don't need to be a member of the gym to get wireless internet access. Patrons in the cafe get free high-speed wireless internet access using your own laptop/wireless device.
May you spend more time outside doing activities like real surfing while you are on vacation. There is plenty of time for web surfing when you're back home after vacation !