# Guac Island Mexican Grill > Mexican restaurant offers a lively atmosphere with a spacious, clean interior. It attracts late-night diners with hours until 3AM and serves fresh, flavorful dishes like birria tacos and quesadillas. The vibe is welcoming and energetic, making it a solid spot for quick, reasonably priced meals. Source: https://www.atly.com/location/GuacIslandMexicanGrill - Address: 279 Portion Rd, Lake Ronkonkoma, New York, United States - Phone: +17166662318 - Website: https://www.guacislandmexicangrill.com/ ## What it is good for - Late Night Spot — 10/10 - Burrito Bowl — 8.8/10 - Chicken Quesadilla — 8.3/10 - Food — 8.3/10 - Taco — 7.5/10 - Mexican Food — 7.5/10 - American Food — 7.5/10 - Quesadilla — 7.1/10 ## What people say - "The food here is amazing and freshly made." - "This Mexican food is so flavorful, I loved every bite." - "I found it to be a great late night spot." ## Good to know - They are open till 3AM for late-night dining. - Parking is tight, but a shopping center across the road offers ample spaces. - Prices are reasonable for the large portion sizes. - Expect a longer wait as food is made fresh to order. - The restaurant is conveniently located on Portion Road for quick stops. ## 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.