Harbor Island Real Estate

Harbor Island is widely recognized as the single most prestigious residential address in Orange County. As an expert in Newport Beach luxury real estate, I understand the unique gravity this guard-gated enclave holds. Comprised of only 30 custom waterfront estates, Harbor Island is a low-turnover environment where privacy and deep-water accessibility are the primary value drivers. For the latest market activity and inventory, the data below refreshes directly from the MLS every 5 minutes.

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Harbor Island Luxury Estates

The Pinnacle of Newport Harbor

Every residence on Harbor Island Road is a waterfront masterpiece. Many properties feature unobstructed views of the main channel, Balboa Island, and the Newport Harbor anchor basin. Because every home on the island sits on the water, private deep-water docks are a standard feature, often capable of accommodating world-class yachts. The guard-gated entrance ensures total seclusion, creating a sanctuary for ultra-high-net-worth individuals who prioritize security and tranquility.

Due to the extreme scarcity of these 30 parcels, market activity is often discreet. Success in this tier requires a broker with established ties to local legacy families and an understanding of off-market dynamics. For a broader look at trends among the harbor's residential islands, view our Newport Beach Islands Market Report.

Inquiring about a Harbor Island estate? Call or text: 949-430-7500

Explore Neighboring Island Communities

While Harbor Island offers the highest level of exclusivity, the harbor features several other distinct island enclaves:

Strategic Harbor Island Consultation

Acquiring an estate of this caliber involves complex considerations regarding dock rights and long-term coastal values. Let's discuss your goals and current off-market opportunities.

Harbor Island Homes

$59,000,000
6 Beds ⋅ 5 Baths ⋅ NP26172783 MLS ⋅ Active Status
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.

20 Harbor Island, Newport Beach
$22,995,000
3 Beds ⋅ 4 Baths ⋅ OC26193276 MLS ⋅ Active Status
Set along 40 feet of Newport Harbor frontage, 12 Harbor Island pairs exceptional yacht dockage with a private waterfront pool and panoramic views across the bay. Located within the exclusive, guard-gated Harbor Island community, the 4,684-square-foot residence offers three en-suite bedrooms, generous living spaces and a direct connection to the harbor. Expansive windows frame the water throughout the main level, where living and dining spaces open to the waterfront terrace and pool. The kitchen features a large center island, six-burner cooktop, double ovens and walk-in pantry. A separate family room offers an additional living space with a fireplace and integrated office area. Upstairs, the primary suite overlooks the harbor with sweeping water views, a private balcony, sitting area, spacious bath and walk-in dressing room. Two additional en-suite bedrooms complete the second level. The substantial private dock provides exceptional boating access, placing Newport Harbor and the open ocean directly from home. A three-car attached garage and 24-hour guarded access complete this exceptional Harbor Island residence.

12 Harbor Island, Newport Beach
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Based on information from California Regional Multiple Listing Service, Inc. as of . 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.