Citadel Martial Arts and Fitness

Citadel Martial Arts and Fitness

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Kickboxing, Boxing, Fitness, Muay Thai, Brazilian Jiu Jitsu, MMA, Women's & Non-men's Classes - Message us w any questions!

FIRST CLASS ALWAYS FREE FOR ALL NEW MEMBERS!

06/13/2026

Citadel Martial Arts & Fitness β€” πŸ“41 Winter St Downtown Boston
Muay Thai | Kickboxing | Boxing | Nogi | MMA | Fitness | All levels welcome
First class is always free πŸ™ Register online in our bio!

06/12/2026

NOON CLASSES ARE HERE πŸ”₯ no more excuses, Coach Trevor is running lunchtime sessions every week and you need to be there.

Tuesday β€” NogiπŸ€Όβ€β™‚οΈ
Wednesday β€” Muay ThaiπŸ₯Š
Thursday β€” NogiπŸ€Όβ€β™‚οΈ

Downtown Boston, right in the middle of your day. first class is free come get it πŸ“ Citadel Martial Arts

who is pulling up to noon class this week πŸ‘‡

06/11/2026

The grind happens every single night at Citadel Martial Arts.

πŸ₯Š Muay Thai β€” 6PM
πŸ₯‹ No Gi β€” 7PM
🀼 Wrestling β€” 8PM

Come see what you’re made of. Free trial link in bio.
πŸ“ Boston

06/10/2026

The back take doesn’t happen by accident. πŸ”’ Coach Trevor breaking down every detail β€” the setup, the entry, and the finish. This is the level of instruction you get every single class at Citadel Martial Arts.

New to grappling or a seasoned vet β€” there’s a spot for you here. πŸ‘‡

Free trial class link in bio πŸ“ Boston

06/09/2026

Coach Trevor just changed the way we think about the rear naked choke πŸ‘€ the thumb detail he breaks down here is something most people never even think about. this is why the coaching at Citadel is different. first class is free πŸ“ Downtown Boston

did you know about this or did Coach Trevor just put you on πŸ‘‡

06/08/2026

Steve put in the work and it showed today πŸ… stripes are not given they are earned and this one was well deserved. first class is free πŸ“ Citadel Martial Arts, Downtown Boston

drop a congrats for Steve below πŸ‘‡

06/07/2026

Coach Kin breaking down why leg locks need to be in your game after practice πŸ”’ this is the kind of knowledge you get at Citadel on a daily basis. first class is free come learn from the best πŸ“ Downtown Boston what is your go to submission? drop it below πŸ‘‡

06/06/2026

how you spending your Friday night πŸ‘€ we are in here getting work done at Citadel. first class on us, come train with the best in Boston πŸ“ 41 Winter Pl

06/04/2026

you do not want to be on the receiving end of these πŸ˜‚ Coach breaking down throws and making it look easy. come train with us, first class on us πŸ“ Citadel Martial Arts Downtown Boston

06/04/2026

if you have been sleeping on learning this submission Coach Eric just put you on 🎯 side control armbar done right. come train with us, first class on us πŸ“ Downtown Boston
JiuJitsu Grappling SideControl MMA BostonFitness

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Location

Telephone

Address


41 Winter Street
Boston, MA
02108

Opening Hours

Monday 6:45am - 9pm
Tuesday 6:45am - 9pm
Wednesday 6:45am - 9pm
Thursday 6:45am - 9pm
Friday 6:45am - 9pm
Saturday 9am - 2pm
Sunday 5pm - 7pm