5 Star Google Review from John in July 2025
“cannot go to the cape without going here. Bumper Boats are ALL TIME great baseball stuff - we go every single year multiple times a year you GOTTA go”

Cape Cod Bumper Boats & Batting Cages,

Rock Wall, Huge Arcade and pan for treasure!

Cape Cod Birthday Parties, Kids Family Fun, Cape Cod Bumper Boats, Cape Cod Batting Cages, Rock Climbing Wall, Arcade Games, and MORE!

Our 38th Season!

Opening May 16th, 2026!

The Cages

Come check out all of our batting cages. We have baseball, fastpitch softball and high arc. Click here to learn more!

Arcade Games!

You can win prizes from stuffed plushies, candy, fidget toys, and MORE! Come check us out!

Grand Slam Entertainment offers an exciting blend of activities that cater to families and individuals seeking fun and adventure. Nestled in the heart of Cape Cod, this entertainment hub features an array of attractions including bumper boats, batting cages and a state of the art fabulous arcade. Customers frequently highlight the visual appeal of the vibrant bumper boats that are designed for maximum enjoyment while ensuring safety. The standout feature is undoubtedly the water-based rides; guests can expect exhilarating splashes as they navigate around with friends or family members. The batting cages provide various pitching options suitable for all skill levels—from wiffle balls perfect for young children to fastballs appealing to seasoned players. Additionally, the rockwall experience promises thrills and heart-pounding excitement making it ideal for those craving a bit more adventure on their day out. Grand Slam's friendly staff receive commendations for going above and beyond to enhance each visitor's experience by offering extra tokens or encouraging participation in challenges such as rock climbing contests. Reasonably priced packages allow visitors to engage in multiple activities without breaking the bank, fostering an atmosphere where joy flourishes amid laughter shared amongst families and friends alike for over 37 seasons!

Contact Information:
Phone: #508-430-1155
BaseballAndBumperBoats@gmail.com‍ ‍
322 Route 28, Harwich Port, MA 02646