What Airbnb listings in Harpswell Islands earn, how often they're booked, and how that compares with the rest of Portland, ME.

Over the past 12 months, regularly available listings in Harpswell Islands earned $32,802 on average, were booked for 52% of the nights they were open, and averaged $476 a night. The median gross yield, before expenses, is 9.0%.
Yearly revenue
$32,802
Occupancy
52%
Nightly rate
$476
Gross yield
9.0%
before expenses
Median of 40 listings
Active listings
67
Harpswell Islands has median annual room-revenue potential of $59,995, above $55,901 for the wider Portland, ME market. Its median potential gross yield is lower, though, at 9.0% versus 10.7% market-wide.
Those potential figures come from a matched home-value sample and are distinct from average trailing-year booking revenue. Gross yield is before expenses, financing and taxes, so the higher revenue potential does not on its own establish a better return.
Commentary uses groups of at least 20 listings. Tables may include smaller groups.
Regularly available Airbnb listings in Harpswell Islands earned an average of $32,802 over the past 12 months. That is 16% less than the Portland, ME average of $38,984. That is booking revenue including cleaning fees, before Airbnb fees, operating costs and taxes.
Listings in Harpswell Islands were booked for an average of 52% of the nights they were open for booking over the past 12 months. That is 1 points lower than the Portland, ME average of 53%. Nights a host blocked off don't count.
The average nightly rate in Harpswell Islands was $476 over the past 12 months, including cleaning fees. That is about the same as the Portland, ME average of $478.
For homes with a matched home value, the median room-revenue potential in Harpswell Islands is $59,995 a year and the median gross yield is 9.0%. Gross yield is 1.7 points lower than the Portland, ME median. Gross yield is measured before expenses, financing and taxes, so profit depends on what you pay for a home and what it costs to run. Analyze the exact property before you buy.
Reveal any property's Airbnb profitabilityThe table shows average yearly revenue and median gross yield for each home size, with the Portland, ME figure for the same size under each one.
| Bedrooms | Yearly revenue | Gross yield |
|---|---|---|
| 1 bedroom 12 listings | $19,236 Portland, ME: $25,221 | 9.5% Portland, ME: 11.4% |
| 2 bedrooms 18 listings | $23,732 Portland, ME: $32,113 | 7.7% Portland, ME: 10.6% |
| 3 bedrooms 18 listings | $34,817 Portland, ME: $41,992 | 7.6% Portland, ME: 10.7% |
| 4+ bedrooms 16 listings | $53,117 Portland, ME: $65,929 | Not enough data Portland, ME: 9.9% |
Every row uses the same method and data date. Nearby areas link to their own pages.
| Area | Yearly revenue | Occupancy | Nightly rate | Gross yield |
|---|---|---|---|---|
| Harpswell Islands This area 67 listings | $32,802 | 52% | $476 | 9.0% |
| Portland, ME market 3,187 listings | $38,984 | 53% | $478 | 10.7% |
| Harpswell Neck Area 43 listings | $32,930 | 49% | $421 | 6.8% |
| Phippsburg 34 listings | $29,520 | 53% | $406 | 8.9% |
| Bath Area 36 listings | $30,371 | 57% | $360 | 12.7% |
| Brunswick Area 78 listings | $28,049 | 55% | $301 | 9.5% |
The Portland, ME market includes 41 areas based on local neighborhood and city boundaries. Each listing is counted in the area containing it.
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It is the average booking revenue a regularly available listing earned over the past 12 months, including cleaning fees and before Airbnb fees, operating costs and taxes. It is an estimate, not verified host payouts.
For each listing, BNBCalc divides the nights booked by the nights it was open for booking over the past 12 months, then averages the results. Nights a host blocked off are left out.
It is the average price per booked night over the past 12 months, including cleaning fees.
It estimates what a listing would earn in a year from its nightly rates if it were available all year at its expected occupancy, based on its last 12 months of bookings. It excludes cleaning fees. It is an estimate, not income a host received.
For each listing, BNBCalc divides its room-revenue potential by an estimated value for a home with the same ZIP code and bedroom count, then reports the median. It is measured before expenses, financing and taxes, so it is not profit or a full return on investment.
Yearly revenue, occupancy and nightly rate cover listings of every type and size that were open for booking at least 127 nights over the past year (67 in Harpswell Islands). Room-revenue potential and gross yield cover entire homes with one to five bedrooms that were also booked for at least 30% of their open nights and have a matched home value. BNBCalc shows no figure for an area with fewer than 5 qualifying listings.
Figures are current as of November 3, 2026 and refresh monthly.
The market page summarizes all of Portland, ME from a separate monthly market dataset. This page averages the individual listings in each area, so the two can differ. Use this page to compare areas with each other.
They don't include operating costs, financing, taxes, insurance or the price of a specific home, and they don't show whether short-term rentals are allowed. Check local rules and analyze the exact property before you buy.
With BNBCalc Markets, compare Harpswell Islands by bedroom count and performance level, see home prices, and browse its listings on the map.