# Union Baseball Systems > Facility offers extensive equipment and elite coaching focused on skill development and swing mechanics. Training sessions are intense and detail-oriented, promoting athletic growth and improved mobility. Atmosphere supports serious athletes aiming to enhance performance efficiently. Source: https://www.atly.com/location/UnionBaseballSystems - Address: 4676 Brinell St, San Diego, California, United States - Phone: +16198004691 - Website: http://unionbaseballsystems.com/ - Google rating: 4.9 (17 reviews) ## What people say - "The coaches here are great with kids and really know their stuff." - "The coaches here really track what you're working on." ## Good to know - Union Baseball Systems helps players develop critical skills quickly. - Coaches at Union are known for their exceptional training methods. - Players see significant improvements in their swing mechanics after lessons. - Union focuses on overall mobility and athletic growth. - The training provided is considered elite by many parents and players. ## 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.