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A landmark promontory location defining the spirit of the Newport Harbor – 18 Harbor Island. Here classic architectural structure meets a forward-thinking design aesthetic, creating a one-of-a-kind waterfront treasure with over 300 feet of bay frontage. With clean lines, open space and purity of form the re-mastered residence with a total building size of approximately 16,000 square feet lives graciously with large-scale rooms and a panorama of sublime water views. Beautifully and tastefully appointed the exquisite finishes and custom refinements are flawlessly employed. Abundant natural light cascades throughout the formal and informal spaces, illuminating the myriad bespoke details of this transformed neoclassic home. The grand-scale of the interior balances seamlessly with multiple exterior limestone terraces, flowing gardens, and a magnificent pool surrounded by the glistening waterfront and captivating, lively views of the harbor turning basin. A newly reconstructed yacht accommodation for a craft in excess of 120 feet, as well as additional boats and water toys is sited along the western portion of the estate grounds. Rich with history, the guard gated Harbor Island enclave is perhaps the most coveted address along the waterfront in Southern California. Poised at the island’s tip and transcending all others, the space and views afforded by this distinguished residence cannot be replicated.
Listing agent: Tara Foster Shapiro DRE #01892201 tshapiro@homgroup.com, Listing office: Pacific Sotheby's Int'l Realty
MLS data updated 11/2/2026, 7:13:59 AM PT
Source: CRMLS, MLS #: NP18124142
Belmont insights
Compare recorded home prices, same-type ZIP sales and mortgage rates.
Oct 18, 2019
Prices use the left axis; mortgage rates use the right. Hover, tap, or focus the chart and use the arrow keys. Red SOLD badges mark recorded sales.
This home · nearest recorded event
No recordNo property-price record in this range.ZIP 92660 · Nov 2026
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ZIP averages use publicly displayable closed sales from our licensed MLS feed, matched to the same ZIP and exact property type. Months with fewer than 3 sales are omitted; the current month is incomplete. Lines connect available monthly observations across gaps and do not represent measured prices in missing months. These averages are not adjusted for size, condition, or location within the ZIP, and are not an appraisal. Feed coverage may not include every sale. All available shows the available home and ZIP history, with mortgage rates over the same dates.
Mortgage benchmark: Freddie Mac Primary Mortgage Market Survey®. © Freddie Mac. Weekly national 30-year fixed rates, not APRs or a loan quote. Actual terms vary. Methodology changed in November 2022. The chart does not establish that interest-rate changes caused a home’s price changes.
Lines connect recorded asking and sale prices. They are visual guides, not estimates of the home’s value between those dates.
No earlier records were returned by our current sources. This does not mean the home has never sold.
MLS records may be incomplete. Earlier asking prices are not sale prices.