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Grand Slam Entertainment, Cape Cod Baseball & Bumper Boats

Open Now: 9:00 AM - 9:00 PM
Open today: 9:00 AM - 9:00 PM
Review Highlights
Fun Fun Fun

Great time with the kids and grandparents. Lots of fun things to do and not terribly expensive... read more

Reviewed November 7, 2018
Boston, Massachusetts

I selected this place for my daughter to enjoy the bumper boats as I recall loving them as a kid... read more

Reviewed August 11, 2018
Plymouth, Massachusetts
via mobile
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Traveler Overview
  • Excellent87%
  • Very good13%
  • Average0%
  • Poor0%
  • Terrible0%
Travelers talk about
“batting cages”(21 reviews)
“zip line”(7 reviews)
Cape Cod Bumper Boats Grand Slam Entertainment is a 29 year old Cape Cod Family Fun tradition. Featuring Bumper Boats, Batting Cages, Zip Line, arcade room, panning for treasure and more! Try your luck in any of our 7 baseball, softball and...more
Open Now
Hours Today: 9:00 AM - 9:00 PM
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Suggested duration: < 1 hour
322 Main St. Route 28, Harwich Port, Harwich, MA 02646-1702
+1 508-430-1155
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Reviews (38)
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All reviews batting cages zip line change of clothes fun fun fun wiffle ball bottled water arcade betting pirate gems blast panning kids activity
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1 - 10 of 38 reviews
Reviewed November 7, 2018

Great time with the kids and grandparents. Lots of fun things to do and not terribly expensive. Bumper Boats are a lot of fun!

Date of experience: August 2018
Thank bostonguy87
Reviewed August 11, 2018 via mobile

I selected this place for my daughter to enjoy the bumper boats as I recall loving them as a kid. It was the Rock Wall that she loved. The customer service made the difference at this place! The woman at the counter that checked us...More

Date of experience: August 2018
Thank juliedo1975
Reviewed July 22, 2018 via mobile

We went with our kids, ages 6 & 7, just before 6pm on a Friday. We got the $20 unlimited boats/climbing wall + 4 batting token deal (zip line is also included), and had so much fun! The kids rode the bumper boats, climbed the...More

Date of experience: July 2018
Thank carib_vacation
Reviewed July 12, 2018 via mobile

So, I've been going to Grand Slam since the 90s for the bumper boats, which are super fun (insider HINT - hit the pirate splash button for extra splash!) This year they added a zip line that goes RIGHT OVER THE WATER. It is super...More

Date of experience: July 2018
Thank sealswhiskers
Reviewed August 17, 2017

There is nothing quite like bumper boats when the pool is full! There was so much laughter, it was great to watch. Water was spraying everywhere! My grandsons went on twice and were dripping wet but were wild about it. They also enjoyed the batting...More

Date of experience: August 2017
1  Thank Maryanne M
Reviewed August 8, 2017 via mobile

This is a place I use to go to when I was a yonger child on the Cape, this year I brought my three year old and he loved it! Bumper boats are $7 and batting cages were $5 for 40 balls. They had a...More

Date of experience: August 2017
1  Thank Colie0818
Reviewed July 30, 2017

It has become a tradition. At least for the past 8 years. We take the kids, grandkids and have some serious laughs and a good time. Time to soak your parents, siblings, bystanders. A fun time. Batting cages. And now a zip line. Can't leave...More

Date of experience: July 2017
1  Thank jbbowes63
Reviewed July 29, 2017 via mobile

As a grandparent you are always looking to please an active grandchild . They not only were active at GSE they had fun. They even offered extras because we were repeat customers. I would recommend them wholeheartedly for a family fun day.

Date of experience: July 2017
1  Thank pop10312
Reviewed June 23, 2017 via mobile

We brought our 13 y/o daughter and her cousin here on a Fri, mid-day. The staff was extremely helpful and pleasant. Kids had a great time on the Bumper Boats, other children / adults were enjoying the many other activities. I highly recommend visiting this...More

Date of experience: June 2017
1  Thank FFD2252
Reviewed June 21, 2017

We always visit Baseball & Bumper Boats when we visit the Cape and look forward to returning each year. Grandchildren love to get wet and squirt each other on the bumper boats and the recently installed zip line that runs over the pool is exciting...More

Date of experience: June 2017
1  Thank Faye N
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Questions & Answers
Ask a question
August 20, 2018|
AnswerShow all 2 answers
Response from juliedo1975 | Reviewed this property |
I am sure he will be fine. If he can’t ride alone he can ride with an adult.
Isabel M
July 5, 2015|
Response from Dankathiele | Reviewed this property |
Bumper boats are $7 and batting cages range, about $1 a token. Each token is ten pitches.