# Underground Fitness > Private, comfortable space focuses on personal training with modern equipment and knowledgeable coaches. Atmosphere stays welcoming and supportive, encouraging strength, balance, and mobility development. Sessions use software to plan workouts and track progress, keeping training efficient and focused. Source: https://www.atly.com/location/UndergroundFitness2 - Address: 5 Washington St, Brighton, Massachusetts, United States - Phone: +16033776692 - Website: https://www.underground-fitness.com/ ## What people say - "This weight lifting gym's trainers help you get stronger without injury." - "This personal training really improved my strength and helped avoid injury." ## Good to know - The gym focuses on strength, balance, and mobility training. - Coaches are knowledgeable and create a welcoming environment. - Facilities are clean and equipped with modern equipment. - They use software to plan workouts and track progress. - The second location is brand new and offers additional space. ## 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.