Promontory Bay Community - Newport Beach, CA

Promontory Bay Homes For Sale In Newport Beach, CA
The Promontory Bay is a waterfront community is located in the Lower Newport Bay - Balboa Island area of Newport Beach, California. This area is well known for it's prime bay front location with private boat docks as pictured above. The homes date back to the early 1950's and range in size from 2,842 to 4,410 square feet of living space. Select Promontory Bay properties will have boat docks that can accommodate boat sizes up to with the ability 55 feet. The location is ideally situated next to Beacon Bay and Harbor Island and offers easy access to the 55 and 73 freeways. Below are the current Promontory Bay 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 properties listed for sale here.
Promontory Bay Newport Beach Homes For Sale
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Newport Beach 660 Harbor Island Drive
Welcome to one of Newport Beach’s most exceptional waterfront estates — a showpiece of modern coastal design and world-class craftsmanship. Perfectly positioned on prestigious Harbor Island Drive, this architect-driven residence blends sleek contemporary living with resort-style amenities and jaw-dropping panoramic bay views. Walls of La Cantina glass disappear for a true indoor/outdoor experience, opening to an expansive entertainer’s deck complete with Wolf BBQ, Green Egg smoker, beer tap, fire pit, and private 45-foot dock that can accommodate a 55-foot boat. Every inch of this home was built to impress — from the custom lighting and coffered ceilings with wood inlays to the 7” European oak floors and designer finishes throughout. The chef’s kitchen is next-level: La Cornue Flamberge Rotisserie, Wolf 60” dual-fuel range, Sub-Zero refrigeration, Miele dishwasher, Gessi fixtures, and marble prep island. Entertain with style at the step-down bar with custom leather details and Sub-Zero ice maker, or host dinner under statement lighting beside a temperature-controlled wine wall. Upstairs, the primary suite rivals any five-star resort with a vaulted ceiling, fireplace, private balcony, dressing room, steam shower, soaking tub, and Neorest automated toilets. All additional bedrooms are ensuite, offering ultimate comfort and privacy with an additional primary suite on the opposite side of the home. Smart-home automation powered by Crestron controls every element — lighting, climate, music, and security. With panoramic views of Promontory Bay and just minutes from Newport’s best dining and shopping, this is more than a home — it’s a lifestyle statement.$15,299,000
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Lower Newport Bay Homes
- Collins Island - Newport Beach
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- Bayside Cove - Newport Beach
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- Linda Isle - Newport Beach
- Promontory Bay - Newport Beach
- Promontory Point - Newport Beach
Based on information from California Regional Multiple Listing Service, Inc. as of January 12th, 2026 at 8:58pm 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.
