On March 24, a group of restaurant owners and managers gathered at Lawrence Seafood Company on Ocean Boulevard for the Isle of Palms Chamber of Commerce's monthly meeting. Chamber president Zach Lary opened by asking the room a blunt question: why do the swings between summer and winter business feel so much more extreme here than they do a few hundred yards away, across Breach Inlet, on Sullivan's Island?
The answers that came back are worth reading closely if you are choosing between these two islands as a buyer, because they describe something a listing sheet never will: two barrier islands with similar price points and nearly identical postcard views that run on two different economic engines.
The Same View, A Different Customer
Benj Farmery, who owns or co-owns IOPizza, Papi's Taqueria and Smugglers, put the contrast in the plainest terms at the meeting. He said Isle of Palms lags behind Sullivan's Island on customer loyalty. During the stretch from November through February, he said, people are still showing up at Sullivan's Island's Home Team BBQ in droves, while his own businesses have needed what he called huge cash calls just to cover expenses through the same months. Islander 71 general manager Brett Huffstetler agreed that seasonal swings come with the territory on Isle of Palms. The Refuge owner Patty Lamond, whose restaurant sits off Front Beach inside the Harris Teeter shopping center on Palm Boulevard, said it took her years to build a business that could absorb those swings at all.
None of this is a story about one island's food being better than the other's. It is a story about what each island's commercial strip is actually built to survive.
Isle of Palms Councilmember Rusty Streetman offered a detail that complicates the easy explanation. He pointed out that parking is actually worse on Sullivan's Island in the off-season, and beach access there is more limited too. By the logic of convenience, Sullivan's Island should be the harder island to sustain a business on. Instead, he said, its restaurants have become destination spots over the years, while Isle of Palms restaurants tend to be newer and still building that reputation.
Ted Kinghorn of the IOP LENS Foundation added a wrinkle that matters even more for anyone comparing the islands as a place to live rather than visit: many Mount Pleasant residents who live off the Old Village Coleman Boulevard and Ben Sawyer corridor are actually closer to Isle of Palms than to Sullivan's Island. Proximity is not the problem. Isle of Palms has the shorter drive for a large slice of the Mount Pleasant population and still hasn't converted that advantage into the kind of loyal, year-round foot traffic Sullivan's Island has.
What the Rental Data Adds
The clearest explanation came last, from Alex Stone of Island Realty, who told the room that the short-term rental market itself has slowed over the past couple of years, and that slowdown has hit retail activity directly.
Current rental performance data backs up why that matters so much on Isle of Palms specifically. According to AirROI's dataset covering June 2025 through May 2026, the average Isle of Palms short-term rental earns about $86,609 a year at a $768 nightly rate and 41.7% occupancy, while active listing supply grew 30.5% over that same period. Rabbu's separate analysis, current as of April 2026, puts the average daily rate closer to $402 across a broader mix of property sizes and gives Isle of Palms an ROI score of 60 out of 100, in its "Attractive Opportunity" band, with a caveat worth sitting with: at an average home value near $2.9 million, even six figures of annual rental revenue translates to a modest yield.
Two data providers looking at overlapping windows and landing on ADR figures that differ by nearly $400 is itself informative. It tells you that Isle of Palms' rental economy is not a settled, easily modeled number. It is a market where the property that performs is the one that is priced, furnished and managed like an actual business, not the one that simply sits closest to the sand.
Put that together with what the restaurant owners described, and the mechanism gets clearer. A meaningful share of Isle of Palms housing stock functions primarily as a short-term rental asset. When that rental market softens, even modestly, fewer renters are filling those beds through the winter, which means fewer people walking into IOPizza or Papi's Taqueria in January. Sullivan's Island's commercial strip runs on a different fuel. Its restaurants stay busy in the off-season because the people eating there in December live there in December.
What This Means If You're Comparing the Two Islands
If you're picturing a life where you can walk to dinner in February the same way you did in July, that expectation holds up differently depending on which side of Breach Inlet you buy. On Sullivan's Island, the businesses you use in season are largely the same ones open in the off-season, because the customer base doesn't disappear when the renters do. On Isle of Palms, a newer and still-growing commercial district is more exposed to whatever the short-term rental market is doing that particular year.
If you're buying with an eye toward rental income, the numbers say Isle of Palms remains a genuine opportunity, not a market in decline. Rates and revenue were still trending upward in AirROI's most recent twelve-month window even as supply grew. But Rabbu's yield framing and Alex Stone's on-the-record comment about a slowing rental market both point to the same discipline: the era of a property performing well just by existing near the beach is giving way to one where furnishing, pricing and management decisions carry more of the weight.
Before you write an offer on either island, it's worth asking a few questions that a walk-through in July won't answer:
- How many of the storefronts near this address were open the previous February?
- Is the business mix nearby made up of longer-standing names, or newer concepts still finding their footing?
- If you're evaluating a property for rental income, ask your property manager or the current owner for occupancy by month, not just an annual average. The gap between a July weekend and a January weekday is the whole story.
None of this makes one island the better buy. It makes them two different products wearing similar price tags, and the difference only shows up if you look at them in a season other than the one you're vacationing in.
If you're weighing Isle of Palms against Sullivan's Island, or trying to figure out what a specific address's rental performance actually looks like across a full year rather than a summer weekend, Lowcountry Luxury Properties can walk through the comparison with you property by property. Schedule a personalized consultation and bring your list of addresses. We'll help you read what's actually behind them.
