Become a member
Become a Williamstown Aquarium member today and save. It takes less than a minute, and you get real savings in store and on the website — plus a lot more.
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Why become a member?
In-store and online · Always free
Cash back on every purchase (Starts Nov 2026)
You automatically earn store credits on all purchases* through our rewards program.
Member discounts
Special member pricing on other products and services.
Orders saved to your profile
Handy for repeat purchases, or for returns and warranty claims later.*
News and offers
Stay updated with new products, news and member-only offers.
Always free
Best of all, it is 100% free — and it always will be.
* As long as you advise our staff in-store, or log in on the website, when you make a purchase.
Membership terms
Free to join · No catch
Membership terms and conditions can be found here.
