A quietly rebuilt resort on Grassy Key blends world-class watersports, thoughtful dining, and a level of detail that reveals itself almost immediately. Welcome to Grassy Flats.
A quietly rebuilt resort on Grassy Key blends world-class watersports, thoughtful dining, and a level of detail that reveals itself almost immediately. Welcome to Grassy Flats.
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There’s a moment at Grassy Flats when you realize you didn’t just stumble into another resort. You found something you weren’t supposed to know about.
It happens quietly.
Maybe it’s when your bartender tells you she caramelizes strawberries by hand before blending them into a cocktail. No syrups, no shortcuts, just fruit, heat, and time. Or when the person next to you at the bar leans over, unprompted, and says, “That’s what makes this place special.”
At Grassy Flats, everything feels considered. Not in a way that calls attention to itself, but in a way you start to notice the longer you stay.
A place built, not branded
Long before it became one of the most quietly compelling destinations in the Florida Keys, Grassy Flats was something else entirely.
Or rather, it was three separate motels, all of them heavily damaged during Hurricane Irma in 2017.
What stands there now is the opposite of what you’d expect after that kind of destruction.
The vision behind Key West’s premier watersport destination.
Before he was a hotelier, Matt Sexton was a professional kiteboarder competing at a world-class level. Not a hobbyist with a business card. When he saw what Irma had left behind on Grassy Key, he had a vision that, by most standards, didn’t make much sense. Combine the properties. Rebuild them entirely. Create something the Keys hadn’t really seen before.
Not a resort in the traditional sense.
More like a ski resort with palm trees.
A place where serious athletes and families on vacation could exist in the same space. Where the restaurant stood on its own. Where the water sports were led by people who do this because they love it, not because it’s the job.
Not everyone gets it right away.
At least, not according to the people who’ve been coming the longest.
Marcus and Susan, regulars of three years, put it simply. “When we first came, it was good, but over the last year and a half, we’ve been blown away.”
What changed wasn’t just the product. It was the detail.
The sourcing. The execution. The consistency.
At Rhum House, that shows up in ways you don’t always see immediately. The meat program, for example, is rooted in cattle that are grass-fed for their entire lives, sourced through a farming family out of Iowa. It’s the kind of detail that doesn’t make it onto a menu, but changes the way everything tastes.
The pairings feel intentional. And the wine list isn’t static; it’s shaped weekly.
“There’s always a wine of the night,” Susan mentioned. “And it’s not random. It’s thoughtful.”
She paused, then added something telling.
A friend of hers, deeply embedded in the U.S. wine world had visited and left impressed. Not by scale, but by the level of care behind each selection.
That’s a theme here.
The market that quietly raises the bar
Tucked into the property, Grassy Land and Sea Market feels less like a convenience stop and more like an extension of everything the resort is trying to do, just without the spotlight.
Organic blueberries. Olive oil sourced directly from Italy. Aged balsamic from Modena. Wagyu tallow set alongside essentials. Shelves stocked with functional beverages you’re more likely to find in New York or Los Angeles than in the middle of the Keys.
While a lot of places that position themselves as high-end quietly cut corners behind the scenes, here the emphasis leans the other way. Local when it can be. Fresh whenever possible. Sourced with intention.
Built around what you came for
For many, what draws them in isn’t the restaurant. It’s the water.
That’s what brought a lot of guests here in the first place. The ability to do something different with their families without having to leave the property.
At Grassy Flats, that’s by design.
Davo runs the Florida Keys Waterman’s Company out of the resort, offering kiteboarding and e-foil lessons in conditions that are genuinely hard to replicate elsewhere.
The charter boats go out with charcuterie boards. One passenger might be fighting sharks for tarpon on a private excursion while someone else sits under the shade of an aquabana, drink in hand, watching the water.
The sandbar trips are the kind of afternoons that stretch longer than you planned. A small boat pointed toward a strip of sand that disappears at high tide. You end up standing in two feet of water a quarter mile from shore, losing track of time entirely.
For those who want to stay closer in, kayaks and outriggers are already on property. And a mile down the road, ‘Ride the Lagoon’ an inflatable water obstacle course and park runs rain or shine. It becomes the fallback that turns into the highlight.
There’s also Bongos, tucked into that same world. Craft beer, live music, mangrove margaritas made from honey harvested on site (yes, there are beekeepers who come to take care of the bees). Someone on the cable wake course. Kids on the inflatable course. Someone else at a table with nowhere to be.
No one has to compromise. The day just unfolds differently for everyone.
And then there’s Matt.
You’ll see him, if you’re paying attention.
Raking seaweed. Talking to guests. Handpicking the wine that will be poured that night. Sanding local wood at his wood mill, used for the bar at the Rhum House.
Not performing. Just present.
That presence shapes everything because Grassy Flats doesn’t feel like a resort trying to scale.
It feels like a place that’s been built into, refined over time by someone who actually cares about how it lives day to day.
Still somehow under the radar
What’s perhaps most surprising is how many people still don’t know it’s there.
Even in a place like the Florida Keys, where discovery is part of the appeal, Grassy Flats remains relatively under the radar.
Locals mention it. Repeat visitors swear by it. But many people, even those who move between Miami and the Keys regularly, have yet to fully discover it.
Which, depending on who you ask, might be exactly why it feels the way it does.
The kind of place you come back to
Grassy Flats isn’t trying to be everything.
Instead, it leans into something harder to manufacture.
Consistency. Thoughtfulness. And a sense that what you’re experiencing wasn’t built overnight, even if technically, it had to be.
And once you see it for what it is, it’s hard not to come back.
