305-946-9831 harriettesonthego@gmail.com
    Open Daily: 7:30 AM - 5:30 PM
    Harriette's On The Go Key Largo Logo
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    Harriette's On The Go signature breakfast with muffin, eggs, sausage, hash browns and orange juice in Key Largo
    Breakfast & Lunch Served All Day

    All-Day Breakfast & Lunch in Key Largo

    Breakfast, lunch, homemade muffins, specialty coffee and tropical drinks—served daily from our food truck on Overseas Highway in Key Largo. You'll spot us from the road.

    Order NowView Our Menu Get Directions

    Harriette's On The Go is a breakfast and lunch food truck located on Overseas Highway (US-1) at 101780 Overseas Highway in Key Largo, Florida. You'll spot us from the road—we're open daily to locals, travelers, and the public.

    Open Daily

    7:30 AM - 5:30 PM

    On Overseas Highway

    101780 Overseas Highway

    Key Largo, Florida

    Open to the Public

    Resort guests, locals and visitors are all welcome.

    Popular Breakfast & Lunch Selections

    Harriette's Signature Breakfast

    $14.99

    Your choice of one homemade muffin, two eggs, three strips of bacon or two sausage patties, and crispy hash browns.

    Breakfast Sandwich

    $13.49

    One over-hard egg with cheese and your choice of bacon or sausage on a homemade biscuit or white toast with hash browns.

    Mile Marker Smash Burger

    $14.99

    Two smashed beef patties with American cheese, grilled onions and house burger sauce on a toasted brioche bun.

    Deluxe Chicken Sandwich

    $16.49

    A six-ounce grilled chicken breast with crispy bacon, lettuce, tomato, onion, house sauce and cheese on a brioche bun.

    Chicken Caesar Wrap

    $15.99

    Grilled or blackened chicken, romaine lettuce, Parmesan cheese and Caesar dressing in a grilled flour tortilla.

    Crispy Chicken Strip Basket

    $13.99

    Four crispy chicken strips with french fries and your choice of dipping sauce.

    View the Full Menu

    All-Day Breakfast in Key Largo

    Start your morning — or satisfy a midday craving — with complete breakfasts served all day. Choose from our Signature Breakfast, breakfast sandwiches, wraps, pancakes, a build-your-own omelet, and crispy hash browns. Gluten-free bread is available for an additional charge.

    Explore Breakfast Options

    Lunch at Our Key Largo Food Truck

    Stop by for a Mile Marker Smash Burger, Deluxe Chicken Sandwich, Chicken Caesar Wrap, quesadilla or a Crispy Chicken Strip Basket. All lunch entrées include french fries — upgrade to mac and cheese or fresh fruit for just $1.00 more.

    Explore Lunch Options
    Baked Fresh Daily

    Fresh Homemade Muffins & Specialty Coffee

    Complete your breakfast or coffee order with a homemade Harriette's muffin. Flavors rotate daily, so ask which selections are available today. Pair it with a fresh-brewed coffee, latte, cappuccino or iced coffee — with oat or almond milk and your choice of flavors.

    View Today's Menu
    Fresh homemade muffin from Harriette's On The Go in Key Largo

    Why Visit Harriette's On The Go

    All-Day Hours

    Breakfast and lunch served from 7:30 AM to 5:30 PM, every day.

    On Overseas Highway

    Easy to spot from the road along US-1 in Key Largo.

    Open to Everyone

    Resort guests, locals, and visitors are all welcome.

    Coffee & Cocktails

    Specialty coffee, beer and tropical wine-based cocktails.

    Our Location

    Find Us in Key Largo

    On Overseas Highway — You'll Spot Us From the Road

    • Local Residents
    • Visitors to the Keys
    • Boaters & Anglers
    • Families
    • Vacationers
    • Resort Guests

    Everyone is welcome! Harriette's On The Go is OPEN TO THE PUBLIC. Just pull up on Overseas Highway and walk up to the window.

    101780 Overseas Hwy, Key Largo, FL 33037

    On Overseas Highway (US-1) in Key Largo

    Open Daily: 7:30 AM - 5:30 PM

    305-946-9831
    Get Directions Call Now
    Harriette's On The Go bright yellow food truck on Overseas Highway in Key Largo, owned by Kevin Mendoza
    Our Story

    A Fresh Stop in Key Largo

    Harriette's On The Go is a Key Largo food-truck concept built around fresh food, fast service and easygoing Keys days. Our focused menu brings together all-day breakfast, satisfying lunches, homemade muffins, specialty coffee and tropical drinks.

    Located on Overseas Highway in Key Largo and open to the public, we're creating our own place in the Keys—one meal, one coffee and one guest at a time.

    Meet Harriette's On The Go

    Frequently Asked Questions

    Opening Soon

    Be First to Know When We Open

    We're getting ready to serve breakfast, lunch, homemade muffins and specialty coffee on Overseas Highway in Key Largo. Sign up for our opening announcement and occasional specials.

    Get Opening Updates

    Come See Us at the Truck

    On Overseas Highway in Key Largo • Open Daily 7:30 AM - 5:30 PM
    Locals, visitors and resort guests are all welcome.

    Order NowView Menu Get Directions Call 305-946-9831
    Harriette's On The Go LogoHarriette's On The Go.

    All-day breakfast, satisfying lunch, homemade muffins, specialty coffee and tropical drinks on Overseas Highway in Key Largo. Open to the public.

    Breakfast • Lunch • Specialty Coffee • Cocktails

    Location & Hours

    • On Overseas Highway (US-1)
      101780 Overseas Hwy
      Key Largo, FL 33037
    • 305-946-9831
    • harriettesonthego@gmail.com
    • Open Daily7:30 AM - 5:30 PM

    Quick Links

    • Our Menu
    • Breakfast in Key Largo
    • Lunch in Key Largo
    • Key Largo Food Truck
    • Our Story
    • Catering & Pickup
    • Get Opening Updates
    • Contact Us

    Visit Us

    Open to everyone. Come see us on Overseas Highway in Key Largo—you'll spot us from the road!

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    Harriette's On The Go Is Not Yet Open

    Harriette's On The Go food truck in Key Largo is not yet operating. Online ordering may be visible but is not active until we open. We are located at 101780 Overseas Hwy, Key Largo, FL 33037.

    Please Read Before Ordering

    We're Not Open Just Yet!

    Thank you so much for visiting Harriette's On The Go! Our food truck on Overseas Highway in Key Largo is getting ready to serve you, but we are not yet operating.

    You may see an "Order Now" button on our website. Please note:

    • Online ordering is not active until we officially open.
    • Any order placed now will not be received or prepared.
    • Please do not submit payment until we are up and running.

    We're working hard to open our window soon. Follow along and check back for our official opening day. We can't wait to serve you breakfast, lunch, homemade muffins, and specialty coffee in Key Largo!

    101780 Overseas Hwy, Key Largo, FL 33037

    Planned Hours: 7:30 AM – 5:30 PM (Daily)

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