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27 Harbor Island, one of the most unique opportunities available in real estate, is 1 of 30 landmark estates existing on a private island in Newport Beach. Offering an unparalleled value & distinctive living environment, this 5-bedroom, 7-bath home built by Jim Perry & designed by architect David Holman packs the finest of Eastern seaboard design into over 6500 square feet. The walls are minimal, encouraging a social atmosphere while accentuating the double French doors leading to the waterfront patio. The manicured grounds provide a pathway to a private dock accommodating 2 boats up to 50 ft in length & gorgeous views of color splashed sunsets. The master wing offers unobstructed views of the tranquil surroundings & expands into separate his & her master baths; each completely distinct & the work of a master craftsman. The stunning Great room flows effortlessly into the dining room & chef’s gourmet kitchen complete with Walker Zanger flooring.You get the best of California living meets the luxury of high-end East Coast estates. Whether lounging in the library, entertaining in the dining room, or watching the final flickers of the sunset from the patio, 27 Harbor Island represents a once unobtainable property, now a once-in-a-lifetime opportunity.
Listing agent: Tim Smith DRE #01346878 whitney@timsmithgroup.com, Listing office: Coldwell Banker Previews Inter
MLS data updated 11/3/2026, 4:14:44 AM PT
Source: CRMLS, MLS #: NP13047935
Belmont insights
Compare recorded home prices, same-type ZIP sales and mortgage rates.
Apr 29, 2013
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
No monthly averageAt least 3 eligible sales in this month are required.30-year fixed mortgage benchmark
No weekly rateNo published rate within 7 days of this date.No recorded sales in this range. Select All available for older records; missing records do not mean the home never sold.
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.