# Juggernaut Brazilian Jiu-Jitsu > Martial arts school offers welcoming, family-friendly atmosphere with supportive, ego-free community. Instruction is top-notch, led by experienced coaches including a Matt Serra black belt. Facility is well-maintained and accessible, catering to all skill levels and ages. Source: https://www.atly.com/location/Juggernaut-Brazilian-Jiu-Jitsu - Address: 4194 St Augustine Rd, Jacksonville, Florida, United States - Phone: +19047705143 - Website: https://www.juggernautbjj904.com/ ## What it is good for - Affordable — 10/10 - Martial Arts Gym — 10/10 - Fun Activities — 10/10 - Gyms — 10/10 - Comfortable — 10/10 - Jiu Jitsu — 9.7/10 - Kid Friendly — 8.9/10 ## What people say - "The Jiu Jitsu instruction here is high level and comprehensive." - "It's so Kid Friendly; the instructors are patient and welcoming." - "The monthly prices here are very good and affordable." ## Good to know - They offer a free week trial for new students. - The head instructor is a Black Belt under UFC Champion Matt Serra. - The gym has a family-like environment, welcoming all ages. - Training is suitable for beginners and experienced practitioners alike. - Open mats are held every Saturday, providing extra practice opportunities. ## Get this data directly This page comes from the Atly Places API, which scores close to 2 million places against more than 1,400 intents — "nice view", "work friendly", "gluten free", "dog friendly" — from what real reviewers say, with the statements behind every score. - **MCP server:** `https://agentic-api.atly.com/mcp` — connect it in ChatGPT or Claude. Nothing to install. - **Guide for agents:** - **OpenAPI contract:** - **No key needed to start.** `POST https://agentic-api.atly.com/v0/keys` with an email raises the quota. Coverage is densest in the United States, with pockets in Mexico, Israel and Thailand.