Sold
518 Harbor Island Drive sold on December 29, 2016 for $4,800,000, 11% below the $5,395,000 asking price after 330 days on the market; it was first listed at $5,995,000. The buyer financed the purchase with a conventional loan. The details are below for reference.
518 Harbor Island Drive, Newport Beach, CA 92660
- 4 beds
- 4 baths
- 5,343 sq ft
- 5,000 sq ft lot
- Built 1980
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$4,800,000
The home
About 518 Harbor Island Drive
Presenting one of the largest Bayfront homes on Promontory Bay, 518 Harbor Island Drive is a study in refined coastal living. Enter through a privately gated courtyard and be greeted by soaring, coffered custom ceilings, marble flooring, rich wood paneling and expansive living spaces. The gourmet chef’s kitchen has top-of-the-line stainless steel appliances, oversized center island with prep sink, and a dumbwaiter. A sprawling master retreat features tray ceilings and includes a sitting room, two fireplaces, master bathroom with dual sinks, deep soaking tub and custom light fixtures, and a beautiful balcony accessed by French doors with unmatched bay, inlet, and city views. A rooftop deck, subterranean wine cellar accessible by a hidden passage way, and billiards room are additional unique highlights of the estate. Rich finishes include oak paneling throughout, stone balustrades, and custom crystal and brass chandeliers. Offering 50’ of water frontage and two 50’ piers to accommodate large vessels as well as additional side tie for duffy, this estate exemplifies the very best in coastal luxury living.
Property details for 518 Harbor Island Drive
This 4-bedroom, 4-bath single-family home sits in the Promontory Bay Custom neighborhood of Newport Beach in Orange County. It has 5,343 square feet of living space on a 5,000-square-foot lot. The home was built in 1980. The MLS record lists the assessor parcel number as 050-421-35. Highlights include ocean and bay views, bay frontage, a private pool, a fireplace, an attached two-car garage, and central air.
Specifications
Home Details
General Features
- Property Type
- Single Family Residence
- MLS Number
- NP16022945
- Year Built
- 1980
- Builder
- Tony Valentine
- Living Area (sq ft)
- 5,343
- Lot Size (sq ft)
- 5,000
- Lot Size (acres)
- 0.115
- Levels
- Three Or More
- Bedrooms
- 4
- Full Baths
- 3
- Half Baths
- 1
- Garage Spaces
- 2
- Parking Spaces
- 4
- View
- Bay, Ocean, Panoramic, Water
- Private Pool
- Yes
- HOA Dues
- $427
- HOA Frequency
- Annually
- Parcel Number
- 05042135
- On Market Date
- 2016-02-03
- Listing Terms
- Standard, Bankruptcy Property
- HOA fees
- $35.58 monthly
Interior Features
- Interior Features
- Wet Bar, Built In Features, Crown Molding, Separate Formal Dining Room, Granite Counters, Recessed Lighting, Unfurnished, All Bedrooms Up, Primary Suite, Walk In Closets
- Flooring
- Carpet, Stone
- Cooling
- Central Air
- Fireplace
- Dining Room, Family Room, Living Room, Primary Bedroom
- Laundry
- Common Area, Inside
- Common Walls
- No Common Walls
Exterior Features
- Architectural Style
- Custom
- Exterior Features
- Boat Slip, Dock
- Parking
- Direct Access, Garage
- Pool Features
- In Ground, Private
- Water
- Public
- Utilities
- Sewer Connected
Community Features
- Subdivision
- Promontory Bay Custom (PBCS)
- Community Features
- Curbs, Storm Drains, Sidewalks
The record
Property History for 518 Harbor Island Drive
| Date | Event | Price | Note |
|---|---|---|---|
| Dec 29, 2016 | Sold | $4,800,000 | |
| Feb 3, 2016 | Listed for sale | $5,995,000 |
No prior MLS sales on record for this home since 2012.
Added by Realatrends Real Estate
Flood, Fire and Earthquake Zones for 518 Harbor Island Drive
We looked up this home's map point in public government maps. These facts are not part of the MLS listing.
Hazard and noise zones
- Flood zone
Zone X, 0.2 percent annual chance flood hazard. Outside FEMA's Special Flood Hazard Area.
FEMA National Flood Hazard Layer, FIRM panel 06059C0382K effective March 21, 2019. Checked October 15, 2026.
- Fire hazard severity zone
Not in a fire hazard severity zone on the State Fire Marshal's map.
CAL FIRE, State Fire Marshal map for Local Responsibility Areas, March 24, 2025. Checked October 15, 2026.
- Earthquake fault zone
Outside the Alquist-Priolo Earthquake Fault Zones.
California Geological Survey, Earthquake Fault Zones map, Newport Beach quadrangle, released July 1, 1986. Checked October 15, 2026.
- Liquefaction zone
Inside a Seismic Hazard Zone for liquefaction.
California Geological Survey, Seismic Hazard Zones map, Newport Beach quadrangle, released April 15, 1998. Checked October 15, 2026.
- Landslide zone
Outside the earthquake-induced landslide zones.
California Geological Survey, Seismic Hazard Zones map, Newport Beach quadrangle, released April 15, 1998. Checked October 15, 2026.
- Tsunami hazard area
Inside the Tsunami Hazard Area on the State's evacuation planning map.
California Geological Survey and Cal OES, Tsunami Hazard Area map for Orange County (2021). Checked October 15, 2026.
- Airport noise
Outside John Wayne Airport's 60 dB CNEL noise contour, 0.7 miles from it.
Airport Land Use Commission for Orange County, Airport Environs Land Use Plan noise contours. Checked October 15, 2026.
Internet and charging
- Fixed internet
Fiber: Spectrum, up to 1,000 Mbps, at 1 of 126 residential locations in this census block. Cable: Spectrum, up to 1,000 Mbps, at 126 of 126. DSL: AT&T, up to 10 Mbps, at 102 of 126.
FCC National Broadband Map, provider-reported data as of December 31, 2025, for census block 060590630051005, not for this address. Not endorsed by the FCC. Checked October 15, 2026.
- EV charging
Nearest public charger 0.6 miles away (Tesla Destination, 2 Level 2 ports). 176 public charging ports within 3 miles.
U.S. Department of Energy, Alternative Fuels Data Center. Straight-line distance. Checked October 15, 2026.
These facts are for the listing's map point, which can sit off the lot. A zone line can also cross a lot, and agencies revise their maps. In cities, the fire zone line follows the State Fire Marshal's 2025 map; each city adopts its own map and may add areas. These lines are not a Natural Hazard Disclosure. Check the official maps and the seller's disclosures before you rely on them. Sources for the earthquake zone lines: Reproduced with permission, California Geological Survey, Webservice of Official Maps of Alquist-Priolo Earthquake Fault Zones (2025). Reproduced with permission, California Geological Survey, Webservice of Official Maps of Seismic Hazard Zones (2025).
Official maps
Next steps
Looking for something similar
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Selling near 518 Harbor Island Drive
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The neighborhood
About Newport Beach
Set along the Pacific in Orange County, Newport Beach surrounds Newport Harbor, where Balboa Island, Lido Isle, and the Balboa Peninsula frame one of California's largest recreational harbors. The city stretches from the Balboa and Newport piers to Corona del Mar and Fashion Island, within the Newport-Mesa Unified School District.
Newport Beach home sales, past 12 months
- Homes sold
- 462
- Median price
- $4,354,000
- Median days on market
- 22
- Median per sq ft
- $1,602
Recorded MLS closings of single-family homes, Nov 4, 2025 to Nov 4, 2026. Days on market run from listing to going under contract.
Recent Newport Beach sales
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Listed by Tim Smith of Coldwell Banker Res. Brokerage
Listing information updated Apr 30, 2021 at 9:15 AM PT. Source: CRMLS.
This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. The display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, the Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent.