Harbour Island Real Estate
Harbour Island Listings Summary
Harbour Island - Town vs. County Stats
Avg Price in Harbour Island: $899,000 / County Avg $1,285,800
70%
Avg Taxes in Harbour Island: $10,000 / County Avg $18,600
54%
Avg Sq. Ft. in Harbour Island: 1,884 / County Avg 2,335
81%
Avg Price per/sqft in Harbour Island:$477 / County Avg $551
87%
Avg Year Built in Harbour Island: 2009 / County Avg 1987
101%
Avg Days on Website in Harbour Island: 171 / County Avg 237
72%
Harbour Island Real Estate Market Health
New Listings
Reductions
Foreclosures
Short Sales
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Data Last Updated: September 22, 2026 7:21 PM UTC
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