Your cart is empty!
Make checkout easy by booking all your reservations at once. Add your sites from different campgrounds into your shopping cart* and then choose checkout.
We're Sorry!
Internet reservations are currently not available for this KOA: East Haddam / Grandview KOA Holiday
Please call the campground directly to make your reservations at 1-860-873-3332. Thank you.
10/7/2026
There’s always something happening near East Haddam / Grandview KOA Holiday!From spring festivals and summer concerts to fall foliage celebrations, holiday events, live theater, farmers markets and outdoor adventures, our area offers something for every season. Upcoming EventsCheck back regularly...
That doesn't mean this area has to always be empty. When you start reviewing camping options, your history will display here to help compare sites and find the best stay. You will be able to share your stay information with friends or family and save it for a later time if you have a KOA Account.
Make checkout easy by booking all your reservations at once. Add your sites from different campgrounds into your shopping cart* and then choose checkout.