# Definitive Jiu Jitsu > Spacious training areas with high-quality mats create a safe and comfortable environment. The atmosphere stays welcoming and ego-free, balancing hard training with a supportive, friendly vibe. Classes attract a diverse group of practitioners, from beginners to high-level competitors, guided by expert coaching. Source: https://www.atly.com/location/DefinitiveJiuJitsu - Address: 129 N 85th St, Seattle, Washington, United States - Hours: Wednesday: 11:30 AM - 08:30 PM Thursday: 05:00 PM - 08:30 PM Friday: 11:30 AM - 01:00 PM Saturday: 10:00 AM - 11:30 AM Sunday: 10:00 AM - 12:30 PM Monday: 11:15 AM - 08:30 PM Tuesday: 05:00 PM - 08:30 PM - Phone: +12064709274 - Website: https://www.definitivejiujitsu.com/ ## What it is good for - Martial Arts Gym — 10/10 - Fun Activities — 10/10 - Gyms — 10/10 - Jiu Jitsu — 9.8/10 - Kid Friendly — 8.3/10 ## What people say - "This martial arts gym has a welcoming and supportive atmosphere." - "This place is incredibly Kid Friendly, with patient coaches who really invest in technique." - "It's a safe, structured, and welcoming environment for fun activities." ## Good to know - Definitive Jiu Jitsu offers classes for all skill levels, from beginners to advanced competitors. - The gym specializes in no-gi jiu jitsu, making it unique in the Seattle area. - Austin, a world-class competitor, leads the instruction at the gym. - The environment is safe and welcoming for newcomers and families. - High-level coaching is available, tailored to individual skill levels. ## 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.