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STUNNING OVERSIZED BALBOA ISLAND CUSTOM HOME ON EXTRA-WIDE 40 FOOT LOT ONE DOOR FROM BAY! 333 Amethyst offers 6 spacious bedrooms including a first floor suite, 4.5 baths, plus 2nd floor library, oak hardwood floors and central AC throughout; this is luxury beach living in grand style. The sprawling first floor has a large family room, formal living room with fireplace, dining space adjacent to gourmet kitchen with bar, Sub Zero glass front refrigerator, Thermador double ovens & warming tray, two sinks, & great storage. The first level has a secluded guest suite with private entrance. The second level has 4 bedrooms including a deluxe master suite with vaulted ceilings and fireplace, private balcony & huge walk-in closet. The balance of the 2nd floor includes 4 guest bedrooms, 2 baths, and spacious library. The abundant outdoor space includes a wide sunny front patio w/putting green, views of the Bay, and first floor side patio w/sparkling in-ground spa. Garage w/custom flooring, storage, and room to park 1-2 additional cars on the side. Located two blocks from town, close to restaurants, shops, & more, 333 Amethyst epitomizes the Island lifestyle blended with the lavish luxury of a large custom home. Don’t miss this opportunity!
Listing agent: Donald Abrams DRE #01234323 don@abramscoastal.com, Listing office: Abrams Coastal Properties
MLS data updated 11/3/2026, 4:57:25 AM PT
Source: CRMLS, MLS #: NP16198013
Belmont insights
Compare recorded home prices, same-type ZIP sales and mortgage rates.
Dec 19, 2016
Prices use the left axis; mortgage rates use the right. Hover, tap, or focus the chart and use the arrow keys. Red SOLD badges mark recorded sales.
This home · nearest recorded event
No recordNo property-price record in this range.ZIP 92662 · Nov 2026
No monthly averageAt least 3 eligible sales in this month are required.30-year fixed mortgage benchmark
No weekly rateNo published rate within 7 days of this date.No recorded sales in this range. Select All available for older records; missing records do not mean the home never sold.
ZIP averages use publicly displayable closed sales from our licensed MLS feed, matched to the same ZIP and exact property type. Months with fewer than 3 sales are omitted; the current month is incomplete. Lines connect available monthly observations across gaps and do not represent measured prices in missing months. These averages are not adjusted for size, condition, or location within the ZIP, and are not an appraisal. Feed coverage may not include every sale. All available shows the available home and ZIP history, with mortgage rates over the same dates.
Mortgage benchmark: Freddie Mac Primary Mortgage Market Survey®. © Freddie Mac. Weekly national 30-year fixed rates, not APRs or a loan quote. Actual terms vary. Methodology changed in November 2022. The chart does not establish that interest-rate changes caused a home’s price changes.
Lines connect recorded asking and sale prices. They are visual guides, not estimates of the home’s value between those dates.
No earlier records were returned by our current sources. This does not mean the home has never sold.
MLS records may be incomplete. Earlier asking prices are not sale prices.