Many of the towns on the Cape will let you buy your beach sticker online.  Here is some information for a few of the Cape Cod towns.

Bourne  https://www.townofbourne.com/natural-resources/pages/beaches-boat-ramps-parking

Sandwich  https://www.sandwichmass.org/168/Beaches

Falmouth http://www.falmouthmass.us/152/Beach-Parking-Stickers

Mashpee https://www.mashpeema.gov/town-clerk/faq/how-do-i-get-recreational-beach-sticker

Barnstable  https://tobweb.town.barnstable.ma.us/Departments/Recreation/

Dennis https://www.town.dennis.ma.us/sticker-sales/pages/sticker-fee-schedule

Yarmouth https://www.yarmouth.ma.us/652/Beaches

 

We hope you have a fun summer on Cape Cod!