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South Portland, Maine short-term rental listings & supply

Updated By The AirDNA Data Team

South Portland, Maine has 174 active short-term rental listings, tracked across Airbnb, Vrbo, and Booking.com.

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Total active listings
174
-19.8% YoY
Most popular size
1BR
46.6% of all active listings
AirDNA tracks daily performance across 10M+ Airbnb, Vrbo, and Booking.com listings in 120K+ global markets. How we collect this data →10M+ listings across Airbnb, Vrbo & Booking.com in 120K+ markets. How we collect →

South Portland, Maine short-term rental listings

South Portland has 174 active short-term rental listings as of August 2026, tracked across Airbnb, Vrbo, and Booking.com. Active supply is down 19.8% from August 2025 to August 2026. Here's how the market breaks down:

  • By property type: 86.8% entire homes, 13.2% private rooms.
  • By size: 46.6% 1-bedroom, 28.2% 2-bedroom, 18.4% 3-bedroom, 3.8% 4-bedroom, and 3% 5+ bedroom.
  • By channel: 69.3% Airbnb-only, 26.8% cross-listed and 3.9% Vrbo-only.
  • By availability: 38.9% full-time (271–365), 26.1% most of year (181–270), 23.1% part-time (91–180 nights), and 12% seasonal (1–90 nights).
  • By minimum stay: 38.5% 30+ nights, 37.6% 2 nights, 10.3% 3 nights, 6.8% 4–6 nights, and 6.8% 7–29 nights.
  • By cancellation policy: 46.4% moderate, 28% strict, 24% flexible, and 1.6% super strict.
72
Rental demand score
Full South Portland market overview How Market Score is calculated
Analyst's take

South Portland's Rental Demand score: 72 out of 100.

South Portland's Rental Demand subscore is 72 out of 100, one of five inputs to its overall Market Score of 54.

Rental Demand combines two inputs: annual occupancy (61% in South Portland) and year-over-year listing growth (active supply down 19.8% from August 2025 to August 2026).

It is benchmarked against other short-term rental markets in the same country with at least 15 active listings.

The Market Score is a starting point, not an investment decision.

Market-level averages hide wide variation. Here's how to go deeper in the app:

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  2. 2Apply filtersFilter by bedrooms, price tier, amenities, and reviews to reach properties that actually match yours.
  3. 3Estimate one addressProject what one specific property can earn with a custom comp set built from its exact specs.
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Key definitions

How AirDNA defines these metrics

Active listings
Active listings are the short-term rentals on Airbnb, Vrbo, and Booking.com that were available or booked in the trailing 12 months. AirDNA de-duplicates the same home across channels, and the count refreshes monthly.How AirDNA counts active listings →
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Active listings over timeIllustrative preview

How South Portland's active short-term rental supply has trended over the past year.

May '26Jul '26Aug '26Sep '26Sep '26Sep '26
See South Portland's month-by-month supply trend in the AirDNA app.

Listing mix

Four ways to slice South Portland's 174 listings

Property type

Entire home leads at 86.8%

  • Entire home86.8%
  • Private room13.2%

Bedrooms

1BR leads at 46.6%

  • 1BR46.6%
  • 2BR28.2%
  • 3BR18.4%
  • 4BR3.8%
  • 5BR+3%

Channel

Airbnb only leads at 69.3%

  • Airbnb only69.3%
  • Vrbo only3.9%
  • Multi-platform26.8%

Availability

Full-time (271–365) leads at 38.9%

  • Seasonal (1–90 nights)12%
  • Part-time (91–180 nights)23.1%
  • Most of year (181–270)26.1%
  • Full-time (271–365)38.9%

Listings by minimum stay

Share of South Portland active supply by host-set minimum stay

2 nights
37.6%
3 nights
10.3%
4–6 nights
6.8%
7–29 nights
6.8%
30+ nights
38.5%

Listings by cancellation policy

Share of South Portland active supply by host cancellation policy

Flexible
24%
Moderate
46.4%
Strict
28%
Super strict
1.6%

This is the tip of the iceberg

Go deeper on South Portland supply in the app.

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Explore more South Portland data

Keep digging into South Portland

South Portland market overview

The full South Portland market: 174 listings, $40.6K average revenue, 61% occupancy, $238 ADR. Topline metrics and the AirDNA Market Score.

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Revenue

Annual earnings, revenue by property type, and daily rates by segment.

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Seasonality

Occupancy, RevPAR, peak and trough months, seasonality score.

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Property Managers

The largest property managers operating in South Portland.

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Explore more markets

Other short-term rental markets in Maine

Frequently asked

Common questions about South Portland

Get more in the app

There's a lot more inside the AirDNA app.

  • Custom comp sets
  • Neighborhood data
  • Deep filters
  • Heat maps
  • For Sale by yield
  • Export the data
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