# My Gym Children's Fitness Center of Larchmont > Gymnastics center offers clean facility with active supervision where children under 9 can run, jump, and shout freely. The atmosphere suits energetic play, especially for 4-year-olds during birthday parties lasting about an hour and a half. Source: https://www.atly.com/location/My-Gym-Children's-Fitness-Center-of-Larchmont - Address: 1030 W Boston Post Rd, Mamaroneck, New York, United States - Phone: +19146980470 - Website: https://www.mygym.com/larchmont ## What people say - "The staff here is so amazing and helpful, making it really Kid Friendly." - "The staff for the party were super amazing and helpful." - "The instructors at this Gyms are so energetic and kind." ## Good to know - The facility is always clean and well-maintained. - Two staff members supervise the kids during activities. - The gym is best suited for children under 9 years old. - Monthly memberships are affordable and flexible for families. - An hour and a half is an ideal duration for birthday parties. ## 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.