418 Castania Ave
Coral Gables, FL 33146
$8,500,000
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.
| Listing ID: | A12085251 |
|---|---|
| Property Type: | Residential |
| Status: | Active |
| Bathrooms Full: | 5 |
| Living Area: | 4,150 |
| Tax Annual Amount: | $24,508 |
| Waterfront?: | No |
| County Or Parish: | Miami-dade County |
| Postal Code: | 33146 |
| Building Name: | C GAB RIVIERA SEC PT 2 RE |
| Elementary School: | Sunset |
| Fencing: | Fenced |
| Flooring: | Wood |
| Garage Spaces: | 2 |
| High School: | Coral Gables |
| Interior Features: | First Floor Entry, Built-in Features, Closet Cabinetry, Den/Library/Office, Family Room |
| Listing Contract Date: | 2026-09-08 |
| Status: | Active |
| Parking Features: | Additional Spaces Available, Driveway |
| Postal Code Plus4: | 2207 |
| Rooms Total: | 0 |
| State Or Province: | FL |
| Water Source: | Municipal Water |
| Attached Garage?: | Yes |
| Bathrooms Total Integer: | 6 |
| Building Area Source: | Architect/Engineer |
| Building Area Units: | Square Feet |
| Construction Materials: | CBS Construction |
| Covered Spaces: | 2 |
| Direction Faces: | North |
| Heating?: | Yes |
| Living Area Units: | Square Feet |
| MLS Area Major: | C Gab Riviera Sec Pt 2 Re |
| Open Parking?: | Yes |
| Other Equipment: | Automatic Garage Door Opener |
| Parcel Number: | 03-41-20-023-3360 |
| Possession: | Funding |
| Public Survey Range: | 41 |
| Public Survey Township: | 41 |
| Roof: | Flat Tile |
| Security Features: | Smoke Detector |
| Year Built Details: | New Construction |
| Zoning: | 0100 |
| Ok To Advertise ListMiamire Ok To Advertise List: | With Written Broker Approval |
| Pool Dimensions: | 26X13 |
| Ratio Current Price By Sqft: | $2,048.19 |
| Subdivision InformationMiamire Subdivision Information: | Public Road |
| Room Bedroom Features: | At Least 1 Bedroom Ground Level, Primary Bath Shower, Primary Bedroom Upstairs, Studio |
| Room Living Room Features: | Den/Library/Office, Family Room |
| List Price: | $8,500,000 |
|---|---|
| Property Sub Type: | Single Family Residence |
| Bedrooms Total: | 4 |
| Bathrooms Half: | 1 |
| Lot Size Square Feet: | 10,000 |
| Architectural Style: | Detached, Two Story |
| City: | Coral Gables |
| Subdivision Name: | C Gab Riviera Sec Pt 2 Re |
| Year Built: | 2026 |
| Appliances: | Dishwasher, Disposal, Dryer, Gas Range, Gas Water Heater, Ice Maker, Microwave, Refrigerator, Washer |
| Cooling: | Central Air |
| Exterior Features: | Built-In Grill, Lighting |
| Furnished: | Unfurnished |
| Heating: | Central |
| Lot Features: | Less Than 1/4 Acre Lot |
| Middle Or Junior School: | Ponce De Leon |
| Parking Total: | 2 |
| Pool Features: | In Ground, Heated |
| Sewer: | Septic Tank |
| Community Features: | Public Road |
| Cooling?: | Yes |
| Door Features: | High Impact Doors |
| Garage?: | Yes |
| Listing Terms: | All Cash, Conventional |
| Lot Size Units: | Square Feet |
| New Construction?: | Yes |
| Original List Price: | $8,500,000 |
| Property Condition: | New Construction |
| Public Survey Section: | 20 |
| Structure Type: | Pool Only, House |
| Tax Year: | 2025 |
| View: | None |
| AreaMiamire Area: | 41 |
| Lp Amt Sq Ft: | $2,048.19 |
| Pets Allowed Yn: | Yes |
| Pool Yn: | Yes |
| RestrictionsMiamire Restrictions: | No Restrictions |
| StyleMiamire Style: | Pool Only |
| Type Of AssociationMiamire Typeof Association: | None |
Listing Courtesy of: Compass Florida, LLC
786-546-1667
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Copyright 2026 MIAMI REALTORS® MLS. IDX information is provided exclusively for consumers' personal, non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, and that data is deemed reliable but is not guaranteed accurate by the MLS.
MIAMI REALTORS® MLS data last updated on October 08, 2026 09:53 PM - PT
Property Last Updated: October 08, 2026 09:53 PM - PT


































