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Short-term rentals in Castro-Urdiales

Castro-Urdiales is the 234th-largest of 425 short-term rental markets across mainland Spain and the Balearic Islands: 416 listings, split almost evenly between Booking.com (51%) and Airbnb (49%). 5% of supply is run by professional operators, below the median market's 22%, led by Holidu (10 listings).

Explore the interactive Castro-Urdiales report
View of Castro-Urdiales
Photo: Castro Urdiales night by fredpanassac · CC BY-SA 2.0 · cropped and resized for display, via Wikimedia Commons

Data updated

Tracked listings
416
Market rank
#234 / 425
Coverage share
under 0.1%
Named professional operators
6

Airbnb vs Booking.com in Castro-Urdiales

In Castro-Urdiales, supply is split almost evenly: 213 listings on Booking.com (51%) and 203 on Airbnb (49%).

Where the listings are in Castro-Urdiales

The dots are a representative sample of tracked short-term rentals — Airbnb in red and Booking.com in blue. Zoom and pan to explore the market, or open the full report for filters, operator overlays, and the listing-level view.

Airbnb Booking.com 250 sampled locations from 416 tracked listings — open the full interactive report

Market structure in Castro-Urdiales

Professional operators hold a similar share on both platforms: 4% of Airbnb listings and 6% of Booking.com listings. The 6 named professional operators run 21 local listings between them, and the three largest — Holidu, Aston Rentals and Homerez — account for 76% of that.

Professional share
5%
Median market
22%
Single-listing hosts
54%

Listings by operator portfolio size

Tracked listings grouped by how many properties their operator runs — from single hosts to 26+ professionals.

  • Single listing 223
  • 2–5 listings 136
  • 6–25 listings 36
  • 26+ (professional) 21

Listings by property type

Apartments & flats make up 55% of Castro-Urdiales' classified listings, followed by Houses, cottages & holiday homes (22%).

  • Apartments & flats 228
  • Houses, cottages & holiday homes 91
  • B&Bs & guest houses 34
  • Private & shared rooms 33
  • Hotels & hostels 26
  • Unique & outdoor 3
  • Other 1

Largest operators in Castro-Urdiales

Ranked by local tracked listings across Airbnb and Booking.com. Scores and portfolio review totals are aggregated across each operator's tracked Spain listings. The table covers every professional operator we track in this market.

Scroll sideways to see all columns.

Largest operators in Castro-Urdiales, ranked by local tracked listings.
# Operator Listings Airbnb score Booking.com score Portfolio reviews
1 Holidu 10 4.64 / 5 8.7 / 10 147,539
2 Aston Rentals 4 4.77 / 5 8.5 / 10 4,453
3 Homerez 2 4.56 / 5 8.0 / 10 12,725
4 Interhome 2 4.39 / 5 7.8 / 10 34,691
5 The Urban Hosts 2 4.57 / 5 8.0 / 10 17,894
6 R2R Consulting 1 4.30 / 5 7.1 / 10 6,822

Browse the full Spain operator directory →

Operators enter the index after reaching 26 listings across mainland Spain and the Balearic Islands and count Castro-Urdiales among their markets. See the full interactive Castro-Urdiales market report for additional filters and operator comparisons.

How Castro-Urdiales compares

Castro-Urdiales ranks 234th of 425 tracked markets in mainland Spain and the Balearic Islands, with under 0.1% of tracked supply in this coverage. Markets of similar size:

Photo credits

Browse the full Spain city directory or the Spain market report .

Castro-Urdiales market FAQ

How many short-term rentals are in Castro-Urdiales?

Castro-Urdiales has 416 short-term rental listings as of August 2026: 203 on Airbnb and 213 on Booking.com.

Who is the largest short-term rental operator in Castro-Urdiales?

The largest professional operator in Castro-Urdiales is Holidu, with 10 local listings.

How professionalised is the Castro-Urdiales short-term rental market?

5% of Castro-Urdiales' listings (21 of 416) are run by operators with 26 or more listings, below the median of 425 markets across mainland Spain and the Balearic Islands (22%). Professional operators hold a similar share on both platforms: 4% of Airbnb listings and 6% of Booking.com listings. The 6 named professional operators run 21 local listings between them, and the three largest — Holidu, Aston Rentals and Homerez — account for 76% of that.

Is Airbnb or Booking.com bigger in Castro-Urdiales?

In Castro-Urdiales, supply is split almost evenly: 213 listings on Booking.com (51%) and 203 on Airbnb (49%).

How many professional operators run listings in Castro-Urdiales?

6 named professional operators run listings in Castro-Urdiales. The full roster is listed on this page, and the interactive market report maps every listing.

About this data

Figures come from myDataValue's cross-platform market snapshot of 416 public short-term rental listings in Castro-Urdiales, matching Airbnb and Booking.com supply to the operators who run it. Operators enter the index after reaching 26 listings on Airbnb or Booking.com across mainland Spain and the Balearic Islands. Snapshot dates: Airbnb , Booking.com .

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