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

 Thank you for a Fantastic 2015 Season!

We are looking forward to 2016 and our new Zip Line! We are busy renovating and building our newest attraction: Take a Zip Line ride over the bumper boat pool! Coming April 16, 2016.

Please email

508 430 1155


Grand Slam Family Entertainment

Baseball and Bumper Boats

322 Route 28, Harwichport, MA

508 430 1155  


supraboatNew 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 Bumber 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.