BJJ Gyms in Williamstown, NJ
Last updated August 2026 · 2 gyms tracked
Williamstown, New Jersey has 2 Brazilian Jiu-Jitsu gyms in our directory with 70 combined student reviews. The most-reviewed academy in town is Hassetts Jiu-Jitsu Williamstown. Compare schedules, ratings, and contact details below — 2 of these gyms list a website, then book a free trial class to find the right fit.
2 gyms found
BJJ in Williamstown: Common Questions
How many BJJ gyms are in Williamstown, NJ?
There are currently 2 Brazilian Jiu-Jitsu gyms listed in Williamstown, New Jersey with 70 student reviews between them. Most offer both gi and no-gi classes for adults and kids.
Which BJJ gym in Williamstown has the most reviews?
Hassetts Jiu-Jitsu Williamstown is the most-reviewed BJJ gym in Williamstown with 38 student reviews.
How much do BJJ classes cost in Williamstown?
Most BJJ gyms in the US charge between $100 and $250 per month for unlimited adult classes, and nearly all gyms offer a free trial class. See our full BJJ cost breakdown for what's typical and what to watch for in contracts.
How do I choose the right BJJ gym in Williamstown?
Visit in person, take a free trial class, and pay attention to how beginners are treated. Our guide to choosing a BJJ gym covers the 12 questions to ask before signing anything.