# Marko's Fish > Old-time Mom and Pop seafood spot with a nostalgic interior that feels like stepping into a time capsule. Atmosphere is homey and welcoming, with locals chatting at the bar and steady foot traffic. Known for best fish sandwiches and cash-only policy, it offers a simple, authentic experience. Source: https://www.atly.com/location/Marko's-Fish - Address: 820 Madison Ave, Madison, Illinois, United States - Phone: +16188769212 - Website: https://m.facebook.com/Markos-Fish-House-120476267967539/ ## What it is good for - Onion Rings — 10/10 - American Food — 10/10 - Coleslaw — 10/10 - Local Spot — 10/10 - Sandwich — 9.7/10 - Fish — 9.6/10 - Seafood — 9.5/10 - Food — 9.5/10 - Bread — 9.1/10 - Tartar Sauce — 9/10 - Potato Salad — 8/10 ## What people say - "I thought the fish sandwich was the best I ever had." - "I loved the homemade tartar sauce with the banana peppers and onions." - "I thought the onion rings were pretty good." ## Good to know - They only accept cash payments. - Marko's Fish is closed on Saturday, Sunday, and Monday. - Their operating hours are Tuesday to Thursday from 11 am to 6 pm, and Friday from 10 am to 7 pm. ## 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.