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121 Marine AvenueNewport Beach, CA 92662




Remodeled Balboa Island Duplex blending modern upgrades with classic coastal charm. The bright single-level main cottage has been recently completely renovated and showcases two bedrooms, two baths, beautiful new white oak hardwood floors, central AC, brand new kitchen with quartz counters, and a sunny raised front patio. The upper rear unit is an ideal retreat or rental opportunity. With one bedroom and one bath, it features a generous living space and updated amenities throughout, including new windows, flooring, and lighting. There are 2 single-car garages, each with its own laundry facilities, plus a parking space behind the garage. Steps from both the scenic South Bayfront and the welcoming Island Village, 121 Marine is the perfect place to call home.
| 20 hours ago | Listing first seen on site | |
| 20 hours ago | Listing updated with changes from the MLS® |
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Property Details for 121 Marine Avenue
This 0-bedroom, 0-bath home sits in the Balboa Island - Main Island neighborhood of Newport Beach in Orange County. It offers 1,633 square feet of living space and is listed at $3,490,000, about $2,137 per square foot. The home was built in 1932. Highlights include a two-car garage, central air, and Cape Cod architecture. The detail sections on this page cover interior and exterior features, estimated taxes, HOA dues where they apply, and the map location.
About Newport Beach
Set along the Pacific in Orange County, Newport Beach surrounds Newport Harbor, where Balboa Island, Lido Isle, and the Balboa Peninsula frame one of California's largest recreational harbors. The city stretches from the Balboa and Newport piers to Corona del Mar and Fashion Island, within the Newport-Mesa Unified School District.
In Balboa Island - Main Island, 15 duplexes have closed in the last 12 months at a median of $3,835,000, based on recorded MLS closings. The median was 59 days on market before going under contract.
Estimated monthly payment
6.71% · 30-yr fixedEstimate only, not a loan offer or quote. Principal and interest use the Freddie Mac 30-year fixed average of 6.71% (week of Sep 3, 2026); your rate will differ. A loan this size is typically a jumbo loan, which prices differently. Tax and insurance are modelled, not billed amounts; tax uses a typical Newport Beach rate, excluding Mello-Roos. Verify all figures. Full assumptions and disclosures.
Buying 121 Marine Avenue
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Selling near 121 Marine Avenue
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Photos of 121 Marine Avenue, Newport Beach




























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Also for sale in Newport Beach: 121 Marine Avenue, 113 Grand Canal, 104 Onyx Avenue, 221 Abalone.
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