Promontory Bay Community - Newport Beach, CA 

Promontory Bay Newport Beach | Newport Beach, California

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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Photo of Listing #LG25002152
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Newport Beach 433 Harbor Island Drive

This contemporary showpiece on Newport Beach's prestigious Harbor Island Drive exemplifies bayside luxury. Designed by the renowned architectural firm of CJ Light Associates, it features Maynard.-curated interiors with globally sourced finishes. Expansive bay views can be enjoyed from the indoor and outdoor living spaces, combining modern elegance with the essence of waterfront living, including a private dock suitable for berthing a 55' vessel. Panoramic vistas take center stage on the main level, which consists of a dramatic double-height entryway with a floating cantilever staircase, a temperature-controlled walk-in wine cellar, and an expansive great room with a dining section, a home bar, as well as access to the exterior and the dock via automated pocket doors. The gourmet kitchen, adorned with select appliances by Scotsman, Miele, Gaggenau, and Sub-Zero, features a center island with seating, stone countertops, bespoke cabinetry, and convenient ingress to the front and rear exterior areas. This property encompasses four ensuite bedrooms with walk-in closets, a ground-floor office connected to the courtyard, an upper-level multipurpose space that could function as a home theater or a lounge, and a flex room ideal for a gym. The water-facing primary suite is genuinely opulent, with a five-piece bath, a balcony, a massive walk-in closet, and a linear fireplace. Harbor Island Drive offers two distinct outdoor areas: a front patio with a fire pit, a dining section, and an inground spa, as well as the oversized bayfront space with a cantilever sea wall in the rear of the residence. Additional highlights of this exceptional offering include a three-car garage, an elevator, laundry rooms on each level, custom closet systems, inset lighting, rift-cut white oak flooring, and whole-house automation by Lutron and Savant.$18,999,999

$18,999,999
4 Beds
6 Baths
6,562 SqFt
170 Days On Market
Photo of Listing #NP25103596
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Newport Beach 842 Harbor Island Drive

Situated on the largest lot on Harbor Island Drive, this extraordinary corner bayfront residence offers an unparalleled opportunity to live in one of Newport Beach’s most exclusive enclaves. With approximately 146 feet of water frontage and a private dock that accommodates a 70-foot yacht, a Duffy boat, and two dock racks, the property delivers an exceptional blend of luxury, space, and waterfront access. Nearly every room captures breathtaking views of the bay, harbor, and coastline, creating a constant connection to the water. The expansive bayfront deck is ideal for entertaining, featuring a dipping pool, elevated spa, and generous lounging space, while large pass-through windows from the kitchen and formal bar provide effortless indoor-outdoor flow. This 4-bedroom, 4-bathroom home with a bonus room is thoughtfully designed for both comfort and privacy. All bedrooms are ensuite, including a main-level suite with a private entrance—perfect for guests or multi-generational living. The expansive primary suite features a cozy retreat with fireplace and a private deck overlooking the water. Throughout the home, artistic details abound, from Kohler Artist Edition sinks to custom mosaic tilework and a spa tub, adding elegance and character to each space. Located on the prominent Harbor Island Drive, residents enjoy access to Harbor Island’s private beach and a lifestyle just minutes from the harbor, Balboa Island, iconic dining, and world-class beaches. Rarely does a property of this size, location, and dock capacity come to market—offering the best of coastal luxury in one of Newport’s most sought-after settings. *House was completely rebuilt down to the studs in 1991.$15,500,000

$15,500,000
4 Beds
5 Baths
5,102 SqFt
44 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.$9,995,000

$9,995,000
4 Beds
6 Baths
3,898 SqFt
5 Days On Market
Photo of Listing #NP25067059
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Newport Beach 748 Harbor Island Drive

An open-concept contemporary design and panoramic views work in perfect harmony at this 4,000+ SF home, situated on the waterfront of exclusive Promontory Bay. Recently renovated, this four-bedroom home—featuring one bedroom on the lower level and one currently used as a gym—delivers chic, turn-key accommodations punctuated by unique architectural elements, including a sunken living room, floating staircase, and walls of glass that open for optimal indoor-outdoor living. A clean motif is enjoyed throughout the residence, featuring glossy white cabinets, floating vanities, and a neutral color palette. A wet bar in the main living area and a kitchen with an oversized island foster effortless entertaining, while quartz countertops, abundant storage, and premium Viking appliances, including a wine refrigerator, ensure culinary mastery. A stylish patio spans the width of the home, offering a dining and seating area with a fire pit, as well as access to the home's private dock, which currently holds a 53-foot center-console, 29-foot Zodiac, and 23-foot Duffy boat. An ascent to the second level reveals the primary suite, a gym (which can serve as an optional fourth bedroom), a laundry room, and the third bedroom await, with the latter featuring an en-suite bath and French doors opening to a rooftop deck with a fireplace, refrigerator, and views of Balboa Island. The primary suite elevates everyday living with custom built-ins, an infrared sauna, a spa bath with steam shower, a lavish retreat with a media center and fireplace, and a private balcony overlooking the private beach exclusive to Promontory Point and Promontory Bay residents. A three-car garage completes this pristine waterfront estate.$9,995,000

$9,995,000
4 Beds
4 Baths
4,017 SqFt
88 Days On Market
Photo of Listing #NP25067940
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Newport Beach 736 Harbor Island Drive

Experience the quintessential waterfront lifestyle you have dreamed of at this luxurious Newport Beach home on Harbor Island Drive. Nestled at the edge of Promontory Bay, the spacious five-bedroom, four-bath residence presents water views from both levels and its large backyard patio, which spans 50' of bay frontage and leads to a private dock with three slips, featuring a premium Brazilian hardwood surface. Handsome brickwork complements the front yard, where custom double doors introduce a light and airy setting with upscale nautical aesthetic. A two-story foyer makes a dramatic first impression and offers passage to an office/fifth bedroom on the main floor with extensive built-ins, bamboo flooring, and a tray ceiling. Yacht vibes are enjoyed in the bonus room, complete with access to a private brick courtyard, vaulted and beamed ceiling, porthole windows, lacquered wood floors, slate-surround fireplace, and a walk-in bar with Scotsman ice maker and refrigerator. Polished stone floors lead the way beyond the courtyard to a formal dining room with private side patio, and a wide-open living room and family room space with bay views and multiple French doors leading to the bayfront patio. A sleek stainless-steel-trimmed fireplace warms the living room, and the family room features a built-in entertainment center with surround sound. Classic white cabinetry and granite countertops with full backsplash lend an air of upscale refinement to the kitchen, where an oversized island with prep sink, access to the dining room, and stainless steel appliances are proudly displayed. High-end patterned carpet distinguishes second-floor areas including one private en suite bedroom and two bedrooms that share a bath. Overlooking the bay, the primary suite is appropriately grand. Enjoy a handsome fireplace, grasscloth wallpaper, sitting area, view balcony, walk-in closet with custom built-ins, two sinks, a jetted tub and separate shower. Millwork including crown molding is showcased, and a two-car garage includes built-in storage.$8,995,000

$8,995,000
5 Beds
4 Baths
3,922 SqFt
71 Days On Market

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Based on information from California Regional Multiple Listing Service, Inc. as of June 24th, 2025 at 6:50pm PDT. 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.