# Americana Submarine > Sandwich shop operates 24/7 with limited seating and a no-frills setup. Atmosphere is hot and simple, focusing on greasy, satisfying food. It attracts late-night diners seeking quick, affordable meals downtown. Source: https://www.atly.com/location/AmericanaSubmarine - Address: 400 S Clark St, Chicago, Illinois, United States - Phone: +13129221275 ## What it is good for - Late Night Spot — 10/10 - Food — 10/10 - Sandwich — 6/10 ## What people say - "The food here is great, especially the steak subs." - "This late night spot's steak subs are loaded and satisfying." - "I thought their submarine sandwiches were the best." ## Good to know - The place is open 24 hours for late-night cravings. - Limited seating is available, so be prepared for a quick meal. - Credit cards are accepted, but no Link payments. - It's conveniently located near public transport for easy access. - The food is affordable, making it a great late-night choice. ## 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.