
21 Bay Island, Newport Beach, CA 92661
21 Bay Island, Newport Beach, CA 92661
Property Description
Set within Newport Beach’s most exclusive waterfront enclave, 21 Bay Island offers a rare combination of architectural distinction, direct harbor and yachting access, privacy, and effortless coastal living. Bay Island is a gated, pedestrian-only sanctuary of just 23 waterfront homes, reached by foot or golfcart over a charming private bridge, where lush picking gardens, mature trees, a private sandy beach, and sweeping harbor views create an atmosphere unlike anywhere else in Newport Beach - moments from the Balboa Peninsula and steps from the Pacific Ocean. Held in Bay Island’s distinctive stock-cooperative, 21 Bay Island is a detached single-family home designed by acclaimed architect Kurt Donat and built by Neil Longman Construction. This Hamptons-inspired residence blends timeless nautical character with the scale and comfort expected of an ultra-luxury waterfront home. Polished hardwood floors, crisp white millwork, refined coastal finishes, expansive entertaining spaces, and walls of windows evoke the elegance of a classic yacht while framing captivating views of Newport Harbor. Generous living areas open naturally to terraces, gardens, and the water, creating a seamless setting for intimate gatherings, grand entertaining, or quiet evenings watching sunsets and boats cross the harbor. Serviced by a private elevator, this home features multiple fireplaces, a waterfront spa terrace, a dedicated office providing a quiet setting for work or study, and a light-filled upper-level loft with four built-in beds that make for a charming and flexible additional sleeping space, ideal as a bunk room, guest retreat, or additional bedroom. For the boating enthusiast, the property delivers the ultimate Newport Beach lifestyle with a private dock, and immediate access to the harbor’s main channels. Begin the day on the water, cruise the coast, and return home for a sunset overlooking the bay. Bay Island’s private beach, beautifully maintained gardens, waterfront pathways, and intimate residential character make it more than a neighborhood—it is a world apart. Few properties offer this combination of prestige, tranquility, walkability, boating access, ocean proximity, and architectural pedigree. Bay Island represents the pinnacle of Newport Beach living: private yet connected, refined yet relaxed, and surrounded by the beauty of the water.
Features & Amenities
Property Details
Mortgage Calculator
Current Rates
Comparative Market Analysis
Luxury Tier · 5 active · 5 closed
Newport Beach · Single Family Residence
Listed 8.1% above the median closed sale of $15,500,000. Closed comps sold at 92% of list — buyers have negotiating leverage. Expect a longer timeline — comps averaged 149 days on market. Luxury tier — fewer comparable sales widen the confidence range.
Price Position
Positioned above the market — commands a premium.
Active Properties (5)
Active Comparables
| Address | City | Year | BD | BTH | SqFt | LotSz | LP/SqFt | LP | DIM | Score |
|---|---|---|---|---|---|---|---|---|---|---|
| 928 Balboa Boulevard | Newport Beach | 2016 | 4 | 6 | 3,341 | 4,233 | $4,280 | $14.30M | 65 | 85 |
| 500 Via Lido Nord | Newport Beach | 1940 | 5 | 4 | 3,800 | 4,200 | $4,868 | $18.50M | 6 | 73 |
| 642 Via Lido Nord | Newport Beach | 1981 | 4 | 4 | 2,919 | 2,880 | $5,822 | $17.00M | 60 | 69 |
| 2804 Ocean | Corona del Mar | 2018 | 4 | 5 | 4,486 | 5,849 | $4,234 | $19.00M | 170 | 69 |
| 2800 Ocean Boulevard | Corona del Mar | 1987 | 4 | 4 | 4,770 | 6,240 | $3,144 | $14.99M | 230 | 62 |
| Total: 5 · Average | 4.2 | 4.6 | 3,863.2 | 4,680.4 | $4,469.6 | $16.76M | 106.2 | |||
| Median | 3,800 | $17.00M | ||||||||
Closed Properties (5)
Closed Comparables
| Address | City | Year | Date | BD | BTH | SqFt | LotSz | LP | SP | SP/SqFt | SP/LP | DIM | Score |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 706 Oceanfront | Newport Beach | 2023 | 04/23/2026 | 4 | 6 | 4,489 | 4,200 | $15.99M | $14.90M | $3,319 | 0.93 | 30 | 88 |
| 704 Via Lido Nord | Newport Beach | 1994 | 08/11/2026 | 4 | 5 | 3,174 | 3,150 | $17.89M | $16.25M | $5,120 | 0.91 | 243 | 73 |
| 600 Via Lido Nord | Newport Beach | 1981 | 07/02/2026 | 3 | 3 | 3,846 | 3,600 | $17.00M | $15.50M | $4,030 | 0.91 | 128 | 71 |
| 1909 Bay Ave | Newport Beach | 2017 | 01/30/2026 | 4 | 4 | 3,558 | 4,650 | $15.99M | $14.40M | $4,047 | 0.90 | 81 | 70 |
| 812 W Bay Ave | Newport Beach | 1990 | 01/08/2026 | 7 | 9 | 6,319 | 7,664 | $20.00M | $19.00M | $3,007 | 0.95 | 265 | 57 |
| Total: 5 · Average | 4.4 | 5.4 | 4,277.2 | 4,652.8 | $16.01M | $16.01M | $3,904.6 | — | 149.4 | ||||
| Median | 3,846 | $15.50M | $15.50M | ||||||||||
Market Analysis
List vs Sale $/SqFt
Sale Price Trend
Days on Market
Sale vs List Price
This analysis was generated automatically from MLS data. For an in-depth, human-reviewed valuation, contact Joseph Sardella at josephsardella@gmail.com.