Cape cod Zip Line, cape cod bumper boats, zip line, zipline, go carts baseball softball batting cages, arcade birthday party parties capecod batting cages, capecod bumper boats, cape cod family entertainment, harwichport bumper boats

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

Thank you for one of our best seasons ever! 

We look forward to our April 2017 re-opening.

We are now closed until 2017.

Questions?: Please email

508 430 1155


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 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.

Watch us in action!