Exquisite "Montecito inspired" Deepwater Estate in prestigious Golden Harbour, East Boca Raton. This 5,200+ SF Spanish Colonial by Affiniti Architects blends timeless elegance with effortless modern living. Rich in character, the home showcases a dramatic sweeping staircase, hand-painted artistry, marble & terra cotta mosaics by Italian artisans, custom cabinetry, wood-beamed ceilings & warm, refined finishes throughout. Thoughtfully updated with a NEW 2025 roof, full-house generator, whole-home filtration, water softener & Kangen drinking water system. Set on a prime deepwater lot with no fixed bridges, enjoy direct ocean access, a private dock & a resort-style pool/patio designed for u entertaining, just moments to the Boca inlet. This is truly one of the most Stunning homes to be seen!
Single-familyProperty Type
2003Year Built
8,505 sq ftLot Size
$1,129Price/Sq.Ft.
3 car garageParking
Listed by Joyce Marie Schneider• Castles By The Beach, Inc.
Listed by Pamela Levine• Compass Florida LLC
Bought with Farrell Grabarnick• Turbo Real Estate Group LLC
Est. $10,368 per month, based on comparable rentals
Sale and tax history for 520 NE Waterway Ln
Sale History
Tax History
Date
Event
Price
Beaches MLS #B26010942
Jul 29, 2026
Sold
$5,895,000
$1,129/sq ft
Jul 6, 2026
Contingent
—
Jun 11, 2026
Price Changed
$6,295,000
$1,205/sq ft
Jun 1, 2026
Price Changed
$6,595,000
$1,263/sq ft
May 2, 2026
Price Changed
$6,995,000
$1,340/sq ft
Apr 1, 2026
Listed
$7,750,000
$1,484/sq ft
Beaches MLS #R10306234
Dec 14, 2018
Sold
$2,500,000
$479/sq ft
Oct 30, 2018
Pending
—
Sep 19, 2018
Contingent
—
Jan 5, 2018
Price Changed
$3,295,000
$631/sq ft
Feb 7, 2017
Listed
$3,495,000
$669/sq ft
+63
This Exquisite Spanish Colonial Estate features Old World Charm with the function and flow of a Modern Home. Designed by renowned Affiniti Architects, discover unparalleled Quality and One-of-A-Kind Interior Detailing. The Interior is a masterpiece featuring a Breathtaking Sweeping Staircase, Marble Mosaics, Hand Painted Artistry, Terra Cotta Mosaics made by Italian Artisans, Rich Granites, Custom Cabinetry, Elegant Sconces and Wood Beamed Ceilings. The Resort Style Pool/Patio includes and Incredible Summer Kitchen perfect for Entertaining. For the Boater, Great Dockage and only Minutes to the Inlet.
Public Records
Feb 26, 2002
Sold
$700,000
$134/sq ft
Public Records
Sep 1, 1981
Sold
$215,000
$41/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$61,019 (−2.9%)
$2,650,000 + $958,752
$3,608,752
2024
$62,818
$2,650,000 + $1,062,592
$3,712,592
2023
$62,786 (+36.5%)
$2,650,000 + $1,062,592
$3,712,592
2022
$45,986 (+9.6%)
2021
$41,970 (+4.4%)
$1,312,500 + $993,927
$2,306,427
2020
$40,193 (+5.4%)
$1,180,000 + $1,028,133
$2,208,133
2019
$38,131 (+64.5%)
$1,180,000 + $1,028,133
$2,208,133
2018
$23,175 (+0.6%)
2017
$23,046 (−0.4%)
2016
$23,131 (−2.7%)
2015
$23,763 (−0.4%)
2014
$23,861 (+1.2%)
2013
$23,582 (+0.1%)
2012
$23,552 (+1.9%)
2011
$23,115
Public record
Public record
Zoning
Beds
4
Baths
5.5
Stories
2
Lot width
81 ft.
Lot depth
105 ft.
Lot size
8,505 Sq. Ft.
Year renovated
2003
Sq. Ft.
4,705
Year built
2003
Style
Single Family Residential
County
Palm Beach County
APN
06434720340010110
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Sep 9, 2026.
R1B
Single-Family Residential Districts
The purpose, intent and methods underlying the comprehensive zoning plan of the city are set forth in section 28-3, and the same are hereby declared applicable to this article and are herewith restated and reaffirmed and made part hereof. It is further declared the intent and purpose of this article to provide and protect suitable locations and good environments for a cross section of single-family housing types and accommodations including those for lower middle income groups, which are needed and marketable in the several single-family residential districts of this city, and to provide reasonable opportunity for owner occupancy of individual single-family residential units.