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Short-term rentals in Castro-Urdiales

Local supply is split almost evenly between Booking.com (51%) and Airbnb (49%). Holidu is the largest professional operator in Castro-Urdiales, with 9 local listings.

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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
393
Market rank
#238 / 425
Coverage share
under 0.1%
Professional operators
6

Airbnb vs Booking.com in Castro-Urdiales

In Castro-Urdiales, supply is split almost evenly: 202 tracked listings on Booking.com (51%) and 191 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 393 tracked listings — open the full interactive report

Market structure in Castro-Urdiales

6% of Castro-Urdiales' tracked listings (23 of 393) are run by operators with 26 or more listings, below the median of 425 tracked markets across mainland Spain and the Balearic Islands (22%). Professional operators hold a similar share on both platforms: 6% of Airbnb listings and 6% of Booking.com listings. The 6 indexed professional operators run 20 local listings between them, and the three largest — Holidu, Aston Rentals and Homerez — account for 75% of that.

Professional share
6%
Median market
22%
Single-listing hosts
53%

Listings by operator portfolio size

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

  • Single listing 209
  • 2–5 listings 130
  • 6–25 listings 31
  • 26+ (professional) 23

Listings by property type

Apartments & flats make up 53% of Castro-Urdiales' classified Airbnb listings, followed by Houses, cottages & holiday homes (24%). Booking.com listings in Castro-Urdiales are not classified by property type in this snapshot, so the mix shows Airbnb listings only.

  • Other 1
  • Apartments & flats 100
  • Houses, cottages & holiday homes 45
  • Private & shared rooms 21
  • B&Bs & guest houses 16
  • Hotels & hostels 6
  • Unique & outdoor 2

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. Together, the table and directory cover 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 9 4.64 / 5 8.6 / 10 153,231
2 Aston Rentals 4 4.77 / 5 8.5 / 10 3,847
3 Homerez 2 4.53 / 5 8.1 / 10 12,391
4 Interhome 2 4.40 / 5 7.8 / 10 34,924
5 The Urban Hosts 2 4.56 / 5 8.0 / 10 17,341
6 R2R Consulting 1 4.32 / 5 7.1 / 10 6,515

All 6 professional operators in Castro-Urdiales

Local listings

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. Published profile URLs remain stable across data refreshes. See the full interactive Castro-Urdiales market report for additional filters and operator comparisons.

How Castro-Urdiales compares

Castro-Urdiales ranks 238th 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 393 tracked short-term rental listings as of July 2026: 191 on Airbnb and 202 on Booking.com.

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

The largest professional operator in Castro-Urdiales is Holidu, with 9 local listings.

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

6% of Castro-Urdiales' tracked listings (23 of 393) are run by operators with 26 or more listings, below the median of 425 tracked markets across mainland Spain and the Balearic Islands (22%). Professional operators hold a similar share on both platforms: 6% of Airbnb listings and 6% of Booking.com listings. The 6 indexed professional operators run 20 local listings between them, and the three largest — Holidu, Aston Rentals and Homerez — account for 75% of that.

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

In Castro-Urdiales, supply is split almost evenly: 202 tracked listings on Booking.com (51%) and 191 on Airbnb (49%).

How many professional operators run listings in Castro-Urdiales?

6 indexed professional operators have a tracked presence 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 393 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 .

Spotted an inconsistency, or want fresher data for Castro-Urdiales? Report a data issue or request an update — corrections land with the next data refresh.