11 Harbor IS
Newport Beach, CA, 92660
$14,999,000
3 Beds
3 Baths
2,573 SqFt
0.19 Acres
Add
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Significant Price Enhancement!! Harbor Island Waterfront Estate.
Experience the rare opportunity to own on Newport Beach’s exclusive “Billionaires’ Island.” This exceptional waterfront estate offers approximately 50 feet of harbor frontage with three private slips—one up to 65 feet and two up to 45 feet—ideal for yachting enthusiasts. Enjoy sweeping channel views, unmatched privacy, and a tranquil setting with minimal wind and no overlooking neighbors. The residence features a remodeled kitchen, updated flooring, and a refreshed primary suite bathroom, with extraordinary potential for redevelopment or customization. Surrounded by world-class dining, premier shopping, and top-rated schools, this Harbor Island gem combines prestige, location, and limitless possibilities—now offered with a 25% price improvement.

Property Details

Price:
$14,999,000
MLS #:
OC25241597
Status:
Active
Beds:
3
Baths:
3
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
Harbor Island HARI
Neighborhood:
n9lowernewportbaybalboaisland
Listed Date:
Oct 19, 2025
Finished Sq Ft:
2,573
Lot Size:
8,450 sqft / 0.19 acres (approx)
Year Built:
1950
Community GatedN9 – Lower Newport Bay – Balboa IslandN9lowernewportbaybalboaislandHarbor Island HariNewport Mesa UnifiedPanoramic

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Schools

School District:
Newport Mesa Unified

Interior

Appliances
DW, MW, RF, GR, CO
Bathrooms
3 Full Bathrooms
Cooling
CA
Flooring
WOOD
Laundry Features
IN

Exterior

Community Features
SL, URB, WATE
Construction Materials
STC, DWAL
Exterior Features
BS, DO
Parking Spots
3
Roof
SHK, SHN
Security Features
EXL, SD, _24HR, COD, GC, GG

Financial

HOA Fee
$18,650
HOA Frequency
ANU

Map

Community

Subdivisions in Newport Beach

Market Summary

Current real estate data for Single Family in Newport Beach as of Dec 16, 2025
466
Single Family Listed
63
Avg DOM
1,064
Avg $ / SqFt
$3,316,817
Avg List Price

Property Summary

    Located in the Harbor Island (HARI) subdivision, 11 Harbor IS Newport Beach CA is a Single Family for sale in Newport Beach, CA, 92660. It is listed for $14,999,000 and features 3 beds, 3 baths, and has approximately 2,573 square feet of living space, and was originally constructed in 1950. The current price per square foot is $5,829. The average price per square foot for Single Family listings in Newport Beach is $1,064. The average listing price for Single Family in Newport Beach is $3,316,817.

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