If you live on Cudjoe Key, you already know what's coming. Square Grouper Bar and Grill, the restaurant that sits at Mile Marker 22.5 oceanside and anchors more dinners on this island than any other single address, closes for the entire month of September and doesn't reopen until the Thursday before Columbus Day weekend. This year that lands on October 8. For the next several weeks, the busiest half mile on Cudjoe Key runs without its main draw.
That sounds like a problem until you notice what's still open. The coffee shop down the road never skips a beat. The tackle store keeps its doors open because bait and gear don't take a month off. And the newer photography gallery next to the restaurant's empty parking lot still pulls people in during the day. What actually happens on Cudjoe Key every fall isn't a shutdown. It's a shift in which storefront carries the neighborhood.
The restaurant everyone already plans around
Square Grouper sits at 22658 Overseas Hwy, and it's been the reference point for this stretch of the island for years. Its regular hours run Tuesday through Saturday, lunch from 11 a.m. to 2:30 p.m. and dinner from 5 to 10 p.m., closed Sunday and Monday the rest of the year. But every September the whole operation goes dark, and it stays dark for the full month, which is a longer break than most restaurants in the Lower Keys take. A lot of places here trim their hours in the slow season. Square Grouper closes the door entirely and puts the sign back up in October.
Upstairs, My New Joint 420 Lounge runs the raw bar and cocktail side of the same building, with a happy hour from 4:20 to 6:30 p.m. and live music most nights when it's open. It shares the address and the crowd with Square Grouper below it, which means when the ground floor kitchen goes quiet for September, the upstairs lounge loses its built-in foot traffic too.
None of this is a secret to anyone who's lived here more than a year. But it's the kind of detail that never makes it into a generic neighborhood guide, because it only matters if you're actually planning your month around it.
Where the routine moves while the kitchen is closed
Morning Joint, a few doors down at 22864 Overseas Hwy, doesn't follow the same calendar. It's a farm to table coffee and breakfast spot with acai bowls, avocado toast, and a made to order lunch menu, plus an onsite ice cream trailer called Icestream that runs Monday through Friday from 2 to 9 p.m. and weekends from noon to 9 p.m. When Square Grouper's dinner crowd has nowhere to go for a few weeks, Morning Joint becomes the default meeting spot for the island, not because it's trying to fill the gap, but because it's simply the one place on this stretch that never closes for the season.
A short walk from both is Cudjoe Sales, a tackle and boating supply shop that anglers across the Lower Keys rely on for gear, bait, and advice. It caters to weekend visitors and working captains with the same attention, and its business doesn't run on a restaurant calendar. Fishing on Cudjoe Bay doesn't stop in September, so neither does the shop that supplies it.
Next door to Square Grouper, at 22627 LaFitte Drive, Cudjoe Key residents Mike and Suzie Lombard opened an underwater photography gallery that gives the block something to see even when the restaurant next to it is shuttered. It's a small addition, but it's exactly the kind of business that keeps a stretch of road from feeling abandoned during the slow weeks.
Between Morning Joint, Cudjoe Sales, and the gallery, the block still has a pulse. It just isn't the same pulse it has in November.
Why this cluster doesn't run on tourism the way you'd expect
Here's the part that surprised me the first time I really looked at it. Cudjoe Key is a mostly residential island. Nearly all of its housing sits on the Atlantic side of the Overseas Highway, and outside of the gated Venture Out community with its marina and RV sites, there isn't much overnight lodging here at all. This isn't a strip built to catch hotel guests walking out their door. It's a stretch of road inside a neighborhood where most people already own their homes.
And yet Square Grouper alone carries well over two thousand reviews across the major platforms, more than most restaurants in towns with actual hotel districts. That math only works one way. The people filling those seats aren't staying down the street. They're driving in from Summerland Key, Sugarloaf, Ramrod, Big Pine, sometimes all the way from Key West, because this half mile has become a destination for the whole Lower Keys corridor, not just for the people who live on this particular island.
That changes how you should think about the September closure. It isn't really about Cudjoe Key going quiet. It's about a regional gathering spot pausing, which means the effect ripples out to every island around it that treats MM 22 as its own dinner spot. If you've ever wondered why your friends in Sugarloaf or Summerland start asking where else to eat around Labor Day, this is why.
The island's own name carries a small piece of that same local-only knowledge. Cudjoe Key is sometimes linked to joewood, a native shrub also called ironwood or cudjoewood, and Keys Weekly's local history column has traced how that plant may be behind the name of the island itself. It's a detail most people driving through never hear, the kind of thing you only pick up from a neighbor or a longtime resident. The island also hosts Fat Albert, a tethered aerostat that's floated over Cudjoe Key for decades broadcasting television signals toward Cuba, which locals treat as background scenery and newcomers treat as a genuine question the first time they spot it.
None of that shows up on a restaurant menu, but it's part of what makes this particular stretch of road feel like it belongs to the people who actually live around it rather than to whoever happens to be passing through.
What this means if you're planning your own September
If you're new to Cudjoe Key, mark October 8 on your calendar now. That's when Square Grouper reopens this year, and if past patterns hold, the parking lot fills back up fast once it does. In the meantime, Morning Joint's coffee counter is the closest thing this stretch has to a town square, and Cudjoe Sales will still be there whether you're heading out to Cudjoe Bay for the afternoon or just need advice on what's biting.
The bigger takeaway is one most guides to this island skip entirely. Cudjoe Key's food and gear scene isn't built for a tourist season that swells and shrinks with hotel bookings, because there aren't enough hotel rooms here to drive that kind of cycle in the first place. It runs on regional habit, on people from other islands treating this half mile as their regular stop. That's a different kind of resilience than most small commercial strips have, and it's part of what makes daily life here feel steady even when the marquee restaurant takes its annual break.
I live and work in the Lower Keys, and stretches like this one are exactly why I never get tired of this stretch of Overseas Highway. If you have questions about what's happening around Cudjoe Key, whether it's about this corner of the island or anywhere else in the Lower Keys, I'm always glad to talk. Reach out to Jill Whitlatch any time, Let's Connect.
