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Cape Cod   Bumper Boats, Zip Line, Baseball   Softball   Batting Cages

Current hours:

2017 Memorial Day Weekend Sat. & Sun. - 9am to 9pm /  Mon. 9am-6pm

Weather Permitting

Questions?: Please email

508 430 1155   Sorry, we don't accept Credit Cards


Grand Slam Family Entertainment

Baseball and Bumper Boats

322 Route 28, Harwichport, MA       508 430 1155    

click here for a video of our facility


New This Year - Zip over the Bumper Boat pool!

Welcome to Grand Slam Entertainment!

The Cape Cod home of premium Baseball &    Softball Batting Cages and a huge crystal clear Bumper Boat pool! You can spray your friends - but watch out! You can get wet from any angle!

Our Batting Cage Features 9 Master Pitching Machines including slow & fast pitch softball as well as baseball speeds from 80 mph to wiffleball for kids under 8 years old! Check out our money savings coupons in the Kids on the Cape book.

Watch us in action!