About This Home

This 4-bedroom, 6-bathroom single family at 418 Castania Ave in Coral Gables, FL is listed for $8,500,000 ($2,048 per sqft). Built in 2026, the home offers 4,150 sqft of living space on a 0.23 acres lot.

Key Features

  • Built in 2026
  • 0.23 acre lot
  • 2 stories
  • Private pool

Property Details

2 stories
5 full, 1 half
2-car garage
2026

Amenities

PoolHardwoodA/C
Listing Description

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.

Monthly Cost Estimate

$45,460/mo

20% down · 6.5% · 30 years

Principal$6,147
Interest$36,833
Insurance$2,479

Estimates only. Actual payments may vary.

Location

418 Castania Ave

Coral Gables, FL 33146

C GAB RIVIERA SEC PT 2 RE

Features & Amenities

Interior Features

Built-in FeaturesBedroom on Main LevelCloset CabinetryFirst Floor EntryUpper Level Primary

Exterior Features

FenceSecurity/High Impact DoorsLightingOutdoor Grill

Property Details

Flooring

WoodHardwood

Construction

Block

Pool Features

Pool

Parking

DrivewayOpenGarage

Heating

Central

Cooling

Central Air

Appliances

DryerDishwasherDisposalGas RangeGas Water HeaterIce MakerMicrowaveRefrigeratorWine CoolerWasher

Questions & Answers

This 4-bedroom, 6-bathroom single family at 418 Castania Ave is listed at $8,500,000 ($2,048/sqft). The estimated monthly payment is $45,460 based on 20% down, a 30-year loan at 6.5% interest, estimated insurance.

Key features include: Built in 2026, 0.23 acre lot, 2 stories, Private pool. Interior Features: Built-in Features, Bedroom on Main Level, Closet Cabinetry. Exterior Features: Fence, Security/High Impact Doors, Lighting.

This property is listed by Monica Slodarz.

MS

Monica Slodarz

License 0627856

Agent at Compass Florida LLC

Listed by Compass Florida LLC · Broker phone: (305) 851-2820 · View on Broker Site · Broker website

MLS# A12085251· Source: Miami REALTORS®· Added to PropertySimple today

Copyright © 2026 Miami REALTORS®. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

418 Castania Ave, Coral Gables, FL 33146

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