305-946-9831 harriettesonthego@gmail.com
    Open Daily: 7:30 AM - 5:30 PM
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    Harriette's On The Go bright yellow food truck on Overseas Highway in Key Largo, Florida
    Key Largo Food Truck

    Visit Our Food Truck in Key Largo

    Harriette's On The Go is a breakfast and lunch food truck on Overseas Highway in Key Largo, Florida. We serve all-day breakfast, burgers, wraps, homemade muffins, specialty coffee and tropical drinks — open to the public.

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    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.

    What to Expect at the Truck

    All-Day Breakfast & Lunch

    Breakfast and lunch are both available throughout our regular hours. Order a Signature Breakfast with a homemade muffin, grab a Mile Marker Smash Burger, or try a chicken wrap or quesadilla — all from one focused menu built for fast service.

    Specialty Coffee & Tropical Drinks

    We pour Americanos, lattes, cappuccinos and iced coffee with oat or almond milk and your choice of flavors. We also serve beer, rotating ready-to-drink beverages and wine-based tropical cocktails like mimosas, Bloody Marys, Keys Mojitos and Piña Coladas.

    On Overseas Highway

    You'll find us on Overseas Highway (US-1) at 101780 Overseas Highway in Key Largo, Florida — easy to spot from the road. No resort check-in or gate required. We are open to locals, visitors and resort guests alike. Just pull up and walk to the window to order.

    Open Daily

    We're open every day from 7:30 AM to 5:30 PM. Whether you're starting your morning, taking a break from the water, or grabbing lunch on the go, we're ready to serve you throughout the day.

    Our Location

    Find Harriette's On The Go

    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

    Located in Key Largo along Overseas Highway, Harriette's On The Go is a convenient breakfast or lunch stop for locals and visitors traveling through the Upper Keys, including Tavernier and Islamorada. We're not physically located in either of those communities, but we're an easy stop along the way.

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    Visiting the Food Truck

    Is the food truck open to the public?

    Yes. We are on Overseas Highway in Key Largo and open to everyone. Locals, visitors, families, boaters and resort guests are all welcome—just pull up and walk to the window.

    Do you serve breakfast throughout the day?

    Yes. Breakfast and lunch are both available throughout our regular hours, 7:30 AM to 5:30 PM daily.

    What time do you open?

    We open at 7:30 AM every day and close at 5:30 PM.

    Can I call ahead?

    Yes. You can reach us at 305-946-9831 during operating hours.

    Do you serve coffee and espresso?

    Yes. We offer Americanos, lattes, cappuccinos and iced versions of each, with whole, oat or almond milk and flavors like vanilla, caramel and sugar-free options.

    Do you serve alcohol?

    Yes. We serve beer, rotating ready-to-drink beverages and wine-based cocktails. Alcoholic beverages are available only to guests 21 or older with valid identification.

    View the Full Menu
    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
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    • Key Largo Food Truck
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    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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