Harbor Island Community - Newport Beach, CA 

Harbor Island Newport Beach Homes | Newport Beach Real Estate

Harbor Island Homes For Sale In Newport Beach, California

The Harbor Island community is located in the Balboa Island area of Newport Beach, California.  Harbor Island is an exclusive gated community with some of the most expensive waterfront homes for sale in all of Newport Beach.  Homes on Harbor Island can have expanisve water front frontage.  Select homes on Harbor Island can boast 134 feet of water front frontage on the Turning Basin with spectacular views of the Bay.  Properties located on this island can also have views of the main channel and anchor basin of Newport Harbor with the ability to accomodate a fleet of large yachts in the larger estate homes.  Below are the current Harbor Island homes for sale and for lease in Newport Beach.  Please contact us at 888-990-7111 with questions regarding this community and any of the homes listed for sale here.

Harbor Island Homes For Sale In Newport Beach, California

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Photo of Listing #NP25020448
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Newport Beach 20 Harbor Island

This landmark Newport Beach Harbor Island home, situated on two of its most extraordinary view lots, is available for sale for the first time in over 70 years. Favored for its timeless classic style, impressive private dockage, magnificent stately grounds, and beautifully manicured specimen trees, this gracious residence, built circa 1937, presides over Newport Harbor’s central turning basin and anchorage, the hub of the harbor’s yachting activity. This offering comprises two independent lots (numbers 20 and 21), each fifty feet wide. Their combined one hundred feet of frontage, found on the most desirable island in Newport Harbor, represents the last opportunity of its kind. Surrounded by Southern California’s most impressive and expensive waterside residences, this property can be restored, expanded, or wholly reimagined to build the waterfront home of your dreams. The existing private dock can accommodate several boats to 78’, and reconfiguration could allow for a yacht to 100’. Lot 21 can be purchased separately for $29,500,000.$59,000,000

$59,000,000
6 Beds
5 Baths
3,600 SqFt
288 Days On Market
Photo of Listing #OC25241597
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Newport Beach 11 Harbor Island

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.$14,999,000

$14,999,000
3 Beds
3 Baths
2,573 SqFt
28 Days On Market
Photo of Listing #NP25126963
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Newport Beach 648 Harbor Island Drive

Welcome to 648 Harbor Island Drive, a waterfront sanctuary in the heart of Newport Beach’s exclusive Promontory Bay. This bespoke residence captures the romance of Old World European architecture with the ease of modern coastal living all set along 50 feet of shimmering bay frontage. Gracefully constructed with slate roof, hand-finished brickwork, and leaded glass accents, the home offers approx. 3,898 square feet of richly detailed interiors across 4 bedrooms and 6 bathrooms. Timeless design elements include vaulted ceilings, hand-hewn wood beams, and artisan wrought ironwork creating a sense of warmth, sophistication, and craftsmanship rarely found today. At the heart of the home is The Pub, a signature entertaining space reminiscent of a traditional English club room complete with a custom wet bar, lounge seating, and French doors that open to a private patio. The formal dining room is a dramatic showpiece with cathedral ceilings and a brick accent wall stretching two stories high. The kitchen is as refined as it is functional, featuring Bosch and Viking stainless steel appliances, custom cabinetry, and generous prep space for culinary gatherings. Step outside to the expansive bayside terrace, a true extension of the home with multiple seating and dining areas designed to take full advantage of the tranquil water views. Your private dock accommodates two yachts up to approx. 55 feet, with additional space for a 3rd boat tender or Duffy making it effortless to launch into the harbor at a moment’s notice. Whether you’re entertaining by sunset, cruising the coastline, or simply relaxing in the ambiance of this timeless retreat, 648 Harbor Island Drive delivers the rare combination of European charm, waterfront presence, and Newport Beach prestige.$9,495,000

$9,495,000
4 Beds
6 Baths
3,898 SqFt
100 Days On Market
Photo of Listing #NP25020614
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Newport Beach 20 Harbor Island

This landmark Newport Beach Harbor Island home, situated on two of its most extraordinary view lots, is available for sale for the first time in over 70 years. Favored for its timeless classic style, impressive private dockage, magnificent stately grounds, and beautifully manicured specimen trees, this gracious residence, built circa 1937, presides over Newport Harbor’s central turning basin and anchorage, the hub of the harbor’s yachting activity. This offering comprises two independent lots (numbers 20 and 21), each fifty feet wide. Their combined one hundred feet of frontage, found on the most desirable island in Newport Harbor, represents the last opportunity of its kind. Surrounded by Southern California’s most impressive and expensive waterside residences, this property can be restored, expanded, or wholly reimagined to build the waterfront home of your dreams. The existing private dock can accommodate several boats to 78’, and reconfiguration could allow for a yacht to 100’.$75,000

$75,000
6 Beds
5 Baths
3,600 SqFt
288 Days On Market

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Based on information from California Regional Multiple Listing Service, Inc. as of November 13th, 2025 at 3:20am PST. 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. 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, 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.