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Castoldi's Jujitsu

5 ★★★★★ 1 Google reviews · BJJ gym in Arlington, Massachusetts

BJJ gym

Plan your first class

Hours

Monday Closed
Tuesday 7–8:30 pm
Wednesday Closed
Thursday 7–8:30 pm
Friday Closed
Saturday Closed
Sunday Closed

Hours shift for holidays, seminars, and open-gym times — worth a quick check before a special trip.

Other martial arts here

BJJ gyms are usually multi-discipline. Here's what else members mention training under the same roof at Castoldi's Jujitsu — mined from their reviews and the gym's own info.

Disciplines are mined from reviews and the gym's own info — they show what members have trained, not a formal class guarantee. If you specifically want MMA, muay thai, or wrestling alongside your BJJ, confirm the current schedule with the gym.

From the reviews

The owners are amazing ninth-degree and sixth-degree black belts you can’t learn from anybody better

★★★★★ — George, Jul 2025

Excerpts from public Google reviews. Read all 1 reviews →

Your first BJJ class at Castoldi's Jujitsu

Nervous about walking into a BJJ gym for the first time? Almost everyone is, and good coaches expect beginners to come through the door. Here's what to know. What to expect: a typical first class is a warm-up, then drilling basic positions and escapes with a partner — not hard sparring. Rest whenever you need to; no one will bat an eye. What to wear: athletic wear you can move in (or a gi if you have one); you'll train barefoot on the mats. What to bring: water and a mouthguard if you have one — many gyms lend a loaner gi for a first class, so it's worth asking when you call. As you keep training you'll add your own gi (or a rashguard and shorts for no-gi) and a mouthguard. Live rolling eases in gradually, once your fundamentals are solid. Arrive 10–15 minutes early to sign a waiver and meet the coach. It gets easier fast — most people feel far more at home by their third class.

BJJ is a contact sport. Ease in, tap early and often, listen to your coaches, and if you have any injuries or health concerns, mention them before class and check with a doctor if you're unsure.

Where to find Castoldi's Jujitsu

14 Park Ave, Arlington, MA02474

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Listing verified July 2026 from public business records and member reviews. Something out of date? Report a correction. Own this gym? Claim your listing — it's free.