# Mastery of Sports > Large open gymnasium offers many beginner classes with flexible scheduling and easy class changes. Staff is knowledgeable and facility well equipped, supporting a range of skill levels. Pricing is notably affordable compared to similar centers, with multiple days and times available. Source: https://www.atly.com/location/MasteryOfSports - Address: 253 Walnut St, Napa, California, United States - Phone: +17072572053 - Website: http://www.masteryofsports.com/ ## What people say - "It's so Kid Friendly; my daughter truly loved her experience here." ## Good to know - The gymnasium offers many classes available for beginners. - There are multiple days and times of the week to choose from. - A trial class can be taken without upfront payment, unlike most places. - Prices for classes are very competitive compared to other centers. - It is easy to switch or drop classes if needed. ## 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.