Are these actual sale prices or asking prices?

These are actual sale prices for Portmarnock from the official Property Price Register — what buyers really paid, not advertised asking prices. The median over the last 12 months was €740,000.

How current is the data?

It is rebuilt from the Property Price Register as new sales are registered. The latest recorded sale was 12 June 2026.

What is the rental yield in Portmarnock?

The gross rental yield in Portmarnock is about 3.8% — average rent of €2,315/month against a median sale price of €740,000. The estimated net yield after costs is 2.9%.

Leinster Insider › Dublin › Portmarnock

Portmarnock House Prices & Rents

448 Property Price Register sales · rents Q4 2025 · latest 12 Jun 2026

Median sale price (last 12 months)

€740,000

127 sales · Dublin prices +4.8% year-on-year (CSO mix-adjusted)

1 homes sold in Portmarnock in June 2026 (latest data) — see the Leinster feed →

CSO official benchmark — Fingal median: €500,000 (mix-adjusted, 12 mo to 2026-04). Town figure is local detail.

Avg rent/mo

€2,315

-0.1% YoY

Gross yield

3.8%

rent ÷ price

Net yield (est.)

2.9%

after ~20% costs + LPT

New build

€860,001

Second-hand

€632,500

Over the last 12 months 127 homes sold in Portmarnock at a median of €740,000. That sits above the Fingal benchmark of €500,000. Across the Dublin region, CSO mix-adjusted house prices are +4.8% year-on-year. New builds sold at a median €860,001 versus €632,500 for second-hand homes. At an average rent of €2,315 a month, that is a gross rental yield of 3.8% (2.9% net of typical costs).

Who lives in Portmarnock?

Census 2022 area profile for the Portmarnock South electoral division, the local electoral division covering the area. This is the local-area context — separate from the sale prices above, which are matched to Portmarnock addresses on the Property Price Register.

Owner-occupied

75%

20% rented

Houses/bungalows

78%

21% flats/apts

Vacant dwellings

4.0%

Census 2022

Households

1,741

Portmarnock South

AFFORDABILITY

8.0× income

Portmarnock’s median sale price €740,000 is about 8.0× the local-area median gross household income of €92,578 (CSO Census 2022, electoral division).

Recent sales

Date	Address	Type	Price
09 Jun 26	20 ST ANNES SQ, PORTMARNOCK, DUBLIN	Second-hand	€592,500
29 May 26	93A ST ANNES SQUARE, PORTMARNOCK, CO DUBLIN	Second-hand	€600,000
26 May 26	2 DRUMNIGH OAKS, PORTMARNOCK, CO. DUBLIN	New	€837,004
25 May 26	20 DRUMNIGH OAKS, DRUMNIGH ROAD, PORTMARNOCK	New	€788,546
25 May 26	5 SKYLARK PARK DRIVE, ST MARNOCK'S BAY, PORTMARNOCK	New	€660,793
20 May 26	7 SKYLARK PARK COURT, ST MARNOCK'S BAY, PORTMARNOCK	New	€792,951
19 May 26	1 Skylark Park Drive, St. Marnock's Bay, Portmarnock	New	€806,167
14 May 26	16 THE FAIRWAYS, SEABROOK MANOR, PORTMARNOCK	Second-hand	€420,000

Median price, year by year

2023  ████████████████████████████████ €643,916  (130)
2024  ██████████████████████████████████ €675,000  (134)
2025  █████████████████████████████████████ €727,500  (146)
2026  ██████████████████████████████████████ €755,000  (38)

Average rent by size

1-bed	2-bed	3-bed	4+ bed
–	€2,025	–	–

Other Dublin towns

Dartry house prices · Mount Merrion house prices · Sandycove house prices · Glenageary house prices · Dalkey house prices · Rathgar house prices

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Official government data only. Individual sale prices are shown exactly as recorded on the Property Price Register. Medians and yields adjust new-build prices for 13.5% VAT (the register lists new dwellings ex-VAT), which brings them within a few % of the official CSO county median. Rents: RTB via CSO.

Sources: Property Price Register (PSRA), CSO RPPI (HPM05), RTB Average Monthly Rent (RIQ02); area profile — CSO Census 2022 (Tables 6.1/6.3/6.8) + ED household income; boundary — OSi/Tailte Éireann; basemap © OpenStreetMap contributors. All CC-BY. Verify any sale at propertypriceregister.ie. Data subject? Email us for removal.