Home in 418 Castania Avenue, Coral Gables, FL 33146 for sale with MLS# A12085251

Beneath a canopy of century-old oaks, 418 Castania redefines design-led living in Coral Gables. Conceived from the ground up by The Art of Design Development, architecture, construction, and interiors were envisioned as one cohesive narrative. Set on a 10,000 SF lot, this 4,150 SF under AC residence (5,360 total SF) offers 4 bedrooms plus den and 5.5 baths across two levels. Expansive impact glass frames mature front and rear oaks, filling the home with natural light and creating a seamless indoor-outdoor connection. Interiors feature European oak flooring, marble bathrooms, bespoke millwork, custom vanities, European doors, a floating solid-wood staircase, and imported brick accents. The kitchen includes Molteni & Dada cabinetry, La Cornue range, Gaggenau oven, Sub-Zero refrigeration, and Watermark fixtures, while a dedicated bar features Studio Ore brass fixtures. 11-foot ceilings, Legrand switches, a universal Tesla charger, and an air-conditioned 2-car garage complete the interior. Outdoors, an Ocean Reef shell-stone terrace and pool deck, Bonfire summer kitchen, fireplace, covered terraces, pool, and lawn create a private setting for entertaining. Minutes from Coconut Grove, top schools, dining, and cultural destinations.

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418 Castania Avenue, Coral Gables, FL 33146

Price
Price:
$8,500,000.00
Original List Price:
$8,500,000.00
List Price per Sq Ft (Calculated, Approx.):
$2,048.19
Property Status and Type
Listing Type:
For Sale
Status:
Active
Listing Category:
Residential
Property Type:
Single Family House
Description of Last Important Update:
New Listing
Last Major Update on:
September 8, 2026 4:00 am
Other Special Conditions:
Sold As-is
Rooms Distribution
Bedrooms:
4
Bathrooms Total:
6
Full Bath:
5
Half Bath:
1
Room Type:
Family Room, Den
Master Bedroom Bath:
Master Bdrm - Upstairs, Separate Shower, Master Bdrm - Ground
Measures
Living Area:
4,150 Sqft
Lot Area:
10,000 Sqft
Lot Size Acres:
0.23
Property Features
Waterfront:
No
Private Pool
Swimming Pool Features:
Heated, In Ground
Security:
Smoke Detector(s)
Furnished:
Unfurnished
Appliances:
Dryer, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Gas Range, Gas Water Heater, Ice Maker
Interior:
Closet Cabinetry, Built-in Features
Exterior:
Lighting, Built-in Barbecue
Air Conditioning
Air Conditioning System:
Central Air
Heating
Heating System:
Central
Fence:
Fenced
Property Entrance Faces:
North
Unit Description:
Studio
Storm Protection Impact Glass:
Partial
Construction
Year Built:
2026
Roof:
Flat, Tile
Levels:
Two
Entry Level (floor):
1
Construction Materials:
CBS
Flooring:
Wood
Number of stories:
2
Road Frontage Type:
Public Road
Flood Zone Code:
X
Property Condition:
New Construction
Taxes and Expenses
Tax Annual Amount:
$24,508.00
Tax Year:
2025
Property Tax Details:
Tax Reflects No Exemptions
Parking
Garage
Garage Spaces:
2
Covered Spaces:
2
Parking Features:
Driveway, Garage, Garage Door Opener, Attached, Attached Garage
Utilities
Sewer:
Septic Tank
Water Source:
Public
Community
Pets Allowed?
Subdivision Name:
C GAB RIVIERA SEC PT 2 RE
Senior Community:
No
Restrictions:
No Restrictions
Terms
Listing Terms Considered by Seller:
Cash, Conventional
Buyer Possession:
Negotiable
Zoning and Legal
Tax Legal Description:
CORAL GABLES RIVIERA SEC 2 REV PB 28-18 LOT 9 & 10 BLK 102 LOT SIZE 100 X 100 OR 20207-1386 02/2002 5 COC 23374-0225 05 2005 4
Real Estate Folio Number (Parcel Number):
0341200233360
Zoning:
0100
Public Schools Assigned
Elementary School:
Chester Shell Elementary School-al
High School:
Coral Gables
Middle Or Junior School:
Ponce De Leon
Listing History
Active on the market since:
September 7, 2026
Listing Agreement executed on:
September 8, 2026
Listing Status Last Changed On:
September 8, 2026 4:00 am
Photos updated on:
September 14, 2026 9:38 pm
Last Modified:
November 9, 2026 3:04 pm
Additional Information
Courtesy of:
Compass Florida, LLC
Attribution:
Not provided
Location
Street Name:
Castania
Street Number:
418
City:
Coral Gables
State:
Florida
Zip Code:
33146
County:
Miami-Dade
Latitude:
N25° 43' 19''
Longitude:
W81° 44' 15.6''
Street Suffix:
Avenue
Property Map

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Neighborhood Stats

Source: U.S. Census Bureau, ACS 5-Year Estimates

Median Household Income $124,712
Median Home Value $1,141,800
Median Rent $2,774/mo
Median Age 22
Population 18,861
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Ver la Propiedad Ver la propiedad 418 Castania Avenue, Coral Gables, FL 33146
Association of REALTORS®
Disclaimer: IDX listing information is presented by Rebonus Brokerage LLC for consumer informational purposes only. The information provided is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data is deemed reliable but is not guaranteed by the MLS or the real estate broker. This page presents structured listing information sourced directly from the MLS via the RESO Web API feed. Rebonus prioritizes maximum field coverage and data completeness, displaying the most granular MLS-provided attributes available.