# Marcellini's Martial Arts Academy - Riverside > Martial arts school offers welcoming, respectful atmosphere with strong emphasis on safety and technique. Classes focus on practical self-defense and cater to both beginners and experienced practitioners. Community feels supportive and family-like, promoting confidence and real-world skills. Source: https://www.atly.com/location/Marcellini's-Martial-Arts-Academy---Riverside - Address: 3457 Arlington Ave Unit 108, Riverside, California, United States - Phone: +19517425733 - Website: https://riverside-brazilianjiujitsu.com/ ## What people say - "Sensei Sam breaks down martial arts movements in a way that makes sense." - "Sam's training is world-class and makes kids feel valued." - "This martial arts school focuses on real-world self-defense, not just sport." ## Good to know - Evening classes are available for those who work during the day. - Sam Marcellini offers expert instruction in both jiu-jitsu and Muay Thai. - Classes emphasize safety and minimizing injury risk during training. - The academy focuses on practical self-defense techniques rather than just sport jiu-jitsu. - The community is supportive and motivating for all 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.