Buying a New Shoreham Rental in 2026: Underwrite This Year

Jacob Mishalanie
3 days ago
10 min read

Southeast Light Victorian brick lighthouse on grass, New Shoreham Block Island, Rhode Island, photograph

Buying on Block Island is a different kind of purchase than buying a short-term rental in most mainland markets, and not just because of the ferry, though the ferry is the first thing that changes almost every other assumption a buyer might otherwise bring in from a more typical coastal purchase. New Shoreham's listing stock is genuinely limited, its entry prices reflect that scarcity, and its rental revenue profile — a high average daily rate paired with modest occupancy — doesn't behave like a typical drive-market vacation town. A buyer who runs the numbers using assumptions borrowed from a more conventional market will misjudge this purchase in one direction or another before they ever make an offer.

This post underwrites New Shoreham using this year's actual data — AirROI's current pull for the town, not a multi-year average, not a neighbor's figure, and not a hopeful blend of the two. Buying a short-term rental here means buying into a specific year's range, and getting that range right matters more here than in a larger, more liquid market where a wrong assumption gets smoothed out by volume.

None of this is legal or financial advice, and none of it substitutes for a buyer's own diligence with a local agent, an attorney, and the Town of New Shoreham directly. What follows is a disciplined read of the available data, built to help a buyer ask sharper questions before they commit to a purchase — not a substitute for the underwriting work a serious buyer still has to do themselves.

A buyer coming from a mainland market should also expect the closing process itself to move a little differently here. Inspections, appraisals, and any specialist visits often need to work around the ferry's own schedule, and a buyer used to same-week turnarounds on a mainland purchase should build extra time into their own timeline rather than assuming island logistics will match a typical mainland closing pace. This is not legal advice.

The Revenue Range to Underwrite

AirROI's window for New Shoreham, August 2025 through July 2026, shows a typical listing among the town's 132 active listings earning roughly $46,356 annually, expressed by the source as about $3,863 per month. That figure comes with occupancy at 37.5% and an average daily rate of $655, producing a RevPAR of $275. A buyer underwriting a New Shoreham purchase should build their model around this range, not a single flattering number, and should treat the annual figure as a labeled conversion from a monthly source rather than a guaranteed steady monthly cadence.

This revenue profile has a specific shape a buyer needs to model correctly: strong, rate-driven performance concentrated in a short peak season, against a long shoulder and winter stretch where occupancy drops well below the annual average. A buyer who spreads the $46,356 figure evenly across twelve months in their pro forma is building a materially inaccurate model. The real cash flow pattern is lumpy — strong in July and August, thin from roughly November through April — and a purchase decision should be stress-tested against that actual shape, not a smoothed average.

It's also genuinely worth stress-testing the downside case, not just the more optimistic base case. A 132-listing sample is real, but it's small enough that a buyer should ask what happens to their own numbers if actual performance lands toward the softer end of what a small sample can plausibly produce, rather than assuming the reported average is a floor. A purchase that only works at or above the reported average is a riskier bet than one that still pencils out reasonably even if the property underperforms that figure in its first year or two of operation.

Why Entry Cost Has to Be Verified, Not Assumed

This report does not guess a median home price or a ZHVI figure for New Shoreham, because island real estate values shift with a small, thin market and any number pulled without a current, dated source risks being stale by the time a buyer reads it, sometimes within a matter of months on a market this small. A buyer sizing this purchase needs to verify current asking prices and recent comparable sales directly — through a local agent, current MLS data, or a similarly dated source — rather than relying on any secondhand figure, including from this report.

What can be said with confidence is the general shape of the trade-off: limited buildable land and ferry-dependent construction logistics tend to push New Shoreham entry costs well above what equivalent square footage would cost on the mainland, and a $655 ADR doesn't automatically translate into a strong gross yield once that higher entry cost is factored in. A buyer should run the actual math — current asking price against the AirROI revenue range — before assuming a favorable yield, and should be prepared for the possibility that the yield looks thinner here than the headline revenue figure alone would suggest.

Construction and renovation costs deserve exactly the same honest treatment. Any material, contractor, or equipment that has to be barged or ferried onto the island typically carries a premium over a comparable mainland job, and a buyer planning to update or furnish a property post-purchase should budget for that premium rather than pricing the renovation as if it were happening in a town reachable by truck. This is especially relevant for a buyer whose underwrite depends on bringing a property up to a specific furnishing standard before it can credibly command the island's full reported ADR in its first season.

Confirm the Registration Path Before Anything Else

A New Shoreham property is only a short-term rental business once it clears the Town of New Shoreham's actual registration path — annual registration with the Zoning Official, a $200 fee, a registration number displayed publicly, occupancy capped at two persons per bedroom with bedroom count tied to the property's septic design, and a local representative physically present on the island during rental periods. This is not legal advice, and a buyer should confirm all current requirements directly with the town before closing, not after the purchase agreement is already signed and the timeline for backing out has closed.

AirROI marking New Shoreham's regulatory environment as High, with roughly 99% of active listings showing registration evidence, is a useful signal here: it means a buyer isn't stepping into a gray-market operating environment where enforcement is inconsistent or theoretical. It also means a buyer skipping registration isn't quietly blending into an already-informal market — they're the visible exception in a market where compliance is close to universal, which raises the practical risk of operating unregistered rather than lowering it.

A buyer should also carefully confirm the property's bedroom count against its actual septic design capacity before closing, not sometime after, since the ordinance's occupancy formula caps bedrooms at what the onsite wastewater system was permitted to support. A property advertised or previously operated with more bedrooms than its septic design allows represents a real gap between the seller's marketing and what a new owner can legally offer — a detail worth verifying directly with the town's Zoning Official as part of due diligence, alongside a standard home inspection.

The Wrong Buyer for This Market

This purchase is a poor fit for a buyer trying to file a neighbor's year onto a New Shoreham property, or trying to make an offer pencil out by borrowing a number from a market with an entirely different guest base — someone underwriting against Newport's roughly $3,463 monthly AirROI figure or Middletown's roughly $4,767, assuming either number describes what a Block Island property will actually earn. Neither does. Newport and Middletown reflect mainland guest bases, larger and more varied listing stock, and completely different access patterns; using either as a comp for a ferry-only island property is comparing the wrong APN's year to this one.

It's also the wrong purchase for a buyer who plans to skip the Town of New Shoreham's registration process, whether out of a belief the ordinance won't be enforced on a small island or an assumption that a Washington County-level exemption exists. Neither is accurate. AirROI's near-universal registration figure suggests enforcement here is functionally comprehensive, and a buyer counting on quietly operating outside that system is underwriting a risk this report explicitly can't validate or recommend around.

Finally, this is a poor fit for a buyer who needs the property to hit its full projected revenue in year one to make the purchase work financially. A New Shoreham property new to the rental market typically needs at least a season to build review history and search visibility, and a buyer whose underwrite has no room for a softer first year is taking on more risk than the AirROI averages alone would suggest, since those averages describe an established listing pool with real review history already built up, not a brand-new one just entering the market.

Running the Actual Underwrite

A disciplined New Shoreham underwrite starts with the AirROI range as a market-level benchmark, not a promise: model a realistic scenario using the $655 ADR and 37.5% occupancy figures, apply them against the property's actual bedroom count and permitted occupancy rather than an aspirational capacity, and weight the calendar toward the confirmed July–August peak rather than assuming even distribution. From there, subtract the real, current entry cost — verified against actual listings, not estimated — along with the $200 annual registration fee and any local-representative arrangement the buyer will need to pay for as an off-island owner.

Operating costs beyond the registration fee also deserve a realistic, carefully considered line item, even without guessing specific figures here: cleaning and turnover costs for an island property, maintenance and repair logistics that require scheduling around ferry access rather than a same-day mainland contractor visit, and utility costs for a property that may sit largely vacant through the winter months but still needs basic upkeep. None of these figures should be borrowed from a mainland market's typical cost structure — island logistics tend to add both cost and lead time to routine property management tasks that would be simple and cheap on the mainland.

The resulting gross yield may look thinner than a buyer hoping for a strong headline number expects, and that's worth saying plainly rather than glossing over: a high ADR doesn't automatically produce a high yield once genuine island entry costs are factored in. A buyer who runs this math honestly and still finds the purchase attractive is underwriting New Shoreham for what it actually is — a premium, rate-driven island market with a short season — rather than for what a rosier blended comp might have implied.

It's worth running two scenarios rather than one: a conservative case using the low end of a plausible occupancy and ADR range, and a base case using AirROI's reported averages directly. A property that only clears a reasonable return in the optimistic scenario is a materially riskier purchase than one that still works, even modestly, under the conservative case. On a market this seasonal and this data-thin, the gap between those two scenarios tends to be wider than it would be in a larger, more liquid rental market, which makes running both cases — rather than anchoring on a single flattering number — the more responsible way to size this specific purchase.

Frequently Asked Questions

Should I buy an Airbnb in New Shoreham, RI?

That depends on running the actual math: current entry cost verified directly, weighed against AirROI's New Shoreham range of roughly $46,356 annually, 37.5% occupancy, and $655 ADR, plus registration costs under the Town of New Shoreham's ordinance. This report doesn't recommend a purchase decision; it lays out what to underwrite honestly before making one.

What's the average revenue for a Block Island short-term rental?

AirROI's pull for the August 2025–July 2026 window shows a typical New Shoreham listing earning roughly $46,356 annually across 132 active listings, expressed by the source as about $3,863 per month, with 37.5% occupancy and a $655 average daily rate.

Should I use a home value estimate to gauge New Shoreham entry cost?

Verify current asking prices and recent comparable sales directly with a local source rather than relying on a generic online estimate. Island real estate in a thin market can diverge meaningfully from an automated valuation tool's assumptions.

Does a New Shoreham rental need to be registered before I can rent it out?

Yes. The Town of New Shoreham's ordinance requires annual registration with the Zoning Official, a $200 fee, a displayed registration number, and a local representative physically present during rental periods. This is not legal advice; confirm current requirements with the town before closing.

Is Newport a good revenue comp for a New Shoreham purchase?

No. Newport's AirROI figure for this vintage, around $3,463 per month, reflects a mainland market with different access, listing stock, and guest base. It's covered as a separate market and shouldn't be used to underwrite a Block Island purchase.

Why might a New Shoreham rental's gross yield look thin despite a high ADR?

New Shoreham's entry costs tend to run well above mainland equivalents due to limited buildable land and ferry-dependent construction logistics. A high $655 ADR doesn't automatically produce a strong yield once that higher purchase price is factored into the math.

Is Middletown, RI a useful comparison for buying on Block Island?

No. Middletown's roughly $4,767 monthly AirROI figure reflects the Newport-peninsula market, not New Shoreham's. Mixing the two in an underwrite produces a misleading picture of what a Block Island property will actually earn.

How enforced is short-term rental registration on Block Island?

AirROI marks New Shoreham's regulatory environment as High, with approximately 99% of active listings showing registration evidence — suggesting enforcement is close to comprehensive rather than a rarely-checked formality.

What ongoing costs should a New Shoreham buyer factor in beyond the purchase price?

The town's $200 annual registration fee, and for an off-island owner, the cost of arranging a local representative who can be physically present during rental periods and respond to town inquiries within two hours, as required by the ordinance.

Should a New Shoreham purchase be modeled on a flat monthly revenue assumption?

No. AirROI marks August as the peak revenue month and January as the softest. A realistic underwrite should weight the July–August peak heavily rather than spreading the annual revenue figure evenly across all twelve months.

Work with Crest & Cove Creative

A buyer underwriting New Shoreham off a Newport comp is pricing the wrong island's year onto the wrong APN — and won't find out until the first off-season month shows up empty. Name the failure mode the guest can check.

A market-audit call checks your New Shoreham underwrite against this year's actual AirROI data and the town's real registration costs. Book one before you make an offer. Send the live listing draft and the facts you can actually cite.

Reach out at crestcove.co or (256) 998-7502.