Island Lake Diner

Island Lake Diner 625 Portion Rd. Lake Ronkonkoma, NY 11779

Now Open
(401)

09/26/2026

French toast, served sizzling skillet-style 🍞🔥 Warm, sweet, and made for a cozy breakfast or brunch at Island Lake Diner. Who’s ready to dig in? 😋

📍 625 Portion Rd, Ronkonkoma

09/26/2026

A tartufo topped with a rainbow cookie donut? 🍨🍩🌈 Dessert just got a whole lot more fun! Come try this colorful, delicious combo at Island Lake Diner 😋

📍 625 Portion Rd, Ronkonkoma

09/26/2026

🍔🔥 The burger that arrives still sizzling!

Our cheeseburger skillet brings together juicy beef, melted cheese, and a piping-hot skillet for the ultimate comfort-food bite. Cheesy, savory, and definitely worth the mess 😋

Burger lovers, this one’s waiting for you at Island Lake Diner!

📍 625 Portion Rd, Ronkonkoma

09/26/2026

It’s a cozy fall day on Long Island… you know where to find us. 🍂☕️🎃

Our FALL DRINKS are officially here at Island Lake Diner! 🤎

🎃 Pumpkin Spice Latte — hot or iced, served in an ACTUAL pumpkin!
🍎 Apple C***r topped with an Apple C***r Donut
🍏 Caramel Apple C***r Frapp
🥤 Pumpkin Spice Dirty Soda
🫐 Boo Berry Dirty Soda
🍎 Poison Apple Dirty Soda
🍬 Candy Corn Dirty Soda
🍊 Orange Creamsicle Dirty Soda

Sweater weather + comfort food + a fall drink = the perfect Saturday. 🍁✨

Come cozy up with us and try your favorite today!

📍 Island Lake Diner | Ronkonkoma, NY

Which one are you ordering first? 👀🎃

09/25/2026

We don’t do regular sandwiches around here… we do COLOSSAL. 🥐🔥

Our Colossal Croissant Sandwich lineup is stacked with favorites like Chicken Caesar, Chicken Vodka Parm & more — all loaded inside one MASSIVE, buttery, flaky croissant. 🤤

Which one are you ordering first?! 👀

09/25/2026

French Onion meets Loaded Baked Potato. 🧅🥔🧀 Hearty, cheesy, comforting and loaded with all the flavors you love. One bite of this masterpiece and you’ll understand why we’re obsessed. 😍

📍 Island Lake Diner | Ronkonkoma, NY

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09/24/2026

Philly cheesesteak… but make it CROISSANT TACOS 🤤🥐🌮

Flaky, buttery croissants loaded with juicy steak, melty cheese, peppers & onions — basically everything you love about a Philly cheesesteak with a crazy twist. 🔥

Would you try these?! 👀

09/23/2026

When we say COLOSSAL… we mean it. 🥐🤯

Crispy chicken + Caesar salad + Parmesan + creamy Caesar dressing, all stuffed inside one GIANT buttery croissant. 😍

Come hungry for this one at Island Lake Diner! 🔥

09/23/2026

Greek Salad Crispy Fried Chicken Cutlet Tacos are HERE and they aren’t leaving! 🌮🥗🤌 Everything you love about a fresh, classic Greek salad stuffed between crispy fried chicken cutlets for the ultimate handheld bite. Fresh, crunchy and seriously delicious.

📍 Island Lake Diner | Ronkonkoma, NY

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Address

625 Portion Road
Ronkonkoma, NY
11779

Opening Hours

Monday 8am - 11pm
Tuesday 8am - 11pm
Wednesday 8am - 11pm
Thursday 8am - 11pm
Friday 8am - 11:59pm
Saturday 7am - 11:59pm
Sunday 7am - 11pm

Telephone

+16316765500

Website

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