Cost of Living Comparison Between Portmarnock and Tbilisi
For one person, living is cheaper in Tbilisi: $1,269 a month against $2,718 in Portmarnock, rent and utilities included – about $17,400 less a year. Rent and utilities account for most of the difference.
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Portmarnock Living Index126Cost of Living Index in PortmarnockLearn more -
Tbilisi Living Index61Cost of Living Index in TbilisiLearn more
How much you'll spend in Portmarnock and in Tbilisi
Real prices from locals and on-the-ground checks – rent, groceries, transit and the daily extras. Here's what a month in Portmarnock and in Tbilisi actually costs, broken down by who's living it.
A single person spends $2,718 per month in Portmarnock vs $1,269 in Tbilisi, rent included.
- Portmarnock $2,718
- Tbilisi $1,269
A couple spends around $3,817 per month in Portmarnock vs $2,016 in Tbilisi, rent included.
- Portmarnock $3,817
- Tbilisi $2,016
A family of three spends $4,915 per month in Portmarnock vs $2,763 in Tbilisi, rent included.
- Portmarnock $4,915
- Tbilisi $2,763
Portmarnock costs about 114% more than Tbilisi, and outside of rent the biggest gap is in eating out.
Portmarnock sits 100% above the global median, while Tbilisi is 7% below – they fall on opposite sides of the world average.
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for Portmarnock: October 24, 2026
Last update for Tbilisi: October 27, 2026
Categories marked with * are only partly priced – their share counts the items that do have prices.
Categories marked with * are only partly priced – their share counts the items that do have prices.
Cost Breakdown
A central one-bedroom costs $1,441 in Portmarnock versus $695 in Tbilisi. Rent is usually the largest line item in a monthly budget, so the gap here sets the tone for the overall comparison.
A mid-range dinner for two costs $101 in Portmarnock versus $38 in Tbilisi. Monthly groceries follow the same trend: $336 vs $234 – making Tbilisi the more affordable choice for daily food spending.
- Portmarnock Tbilisi 3,940 km ≈ 5 h nonstop flight
- Portmarnock
- Tbilisi
Distances are measured in a straight line. Your location is detected approximately.
City Median Internet Speeds Comparison (Updated April 2026)
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Portmarnock vs other spots: cost of living compared
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