DockOnly™

The only MLS search built exclusively for boaters. Find your dock home.

Company

About
Contact
Blog

Search

By City
By County
Dockominiums

Services

Marine Services
Dock Builders
Find Contractors

For Agents

Become a Partner
Referral Program
Featured Listings

Legal

Privacy Policy
Terms of Use
MLS Compliance

© 2026 DockOnly™. All rights reserved.

DockOnly™ and Dock Score™ are trademarks of Blue Mar Real Estate Group Inc.

Blue Mar Real Estate Group Inc.

Licensed Florida Real Estate Broker

DBPR License CQ1018554

Listing data provided by Miami Realtors MLS via Bridge Data Output. Information deemed reliable but not guaranteed. Dock Score™ is a DockOnly.com rating and is not provided by or affiliated with the MLS or listing broker. NOAA chart data is public domain and for reference only — not for navigation. Full MLS Compliance

Equal Housing Opportunity

© 2026 Miami Association of REALTORS®. IDX information provided exclusively for personal, non-commercial use. Listing data last updated every 30 minutes.

This website complies with the Fair Housing Act. We do not discriminate on the basis of race, color, religion, sex, national origin, familial status, or disability.

Search Markets Dockominiums

Search Markets Dockominiums Saved

Real Estate Agents

431 Costanera Rd photo 1

431 Costanera Rd photo 2

431 Costanera Rd photo 3

431 Costanera Rd photo 4

431 Costanera Rd photo 5

431 Costanera Rd photo 6

431 Costanera Rd photo 7

431 Costanera Rd photo 8

431 Costanera Rd photo 9

431 Costanera Rd photo 10

431 Costanera Rd photo 11

431 Costanera Rd photo 12

431 Costanera Rd photo 13

431 Costanera Rd photo 14

431 Costanera Rd photo 15

431 Costanera Rd photo 16

431 Costanera Rd photo 17

431 Costanera Rd photo 18

431 Costanera Rd photo 19

431 Costanera Rd photo 20

431 Costanera Rd photo 21

431 Costanera Rd photo 22

431 Costanera Rd photo 23

431 Costanera Rd photo 24

431 Costanera Rd photo 25

1 / 25

431 Costanera Rd

25 photos

431 Costanera Rd photo 2

431 Costanera Rd photo 3

431 Costanera Rd photo 4

431 Costanera Rd photo 5

+20

431 Costanera Rd

Coral Gables, FL, 33143

Active

$11,500,000

431 Costanera Rd

Coral Gables, FL, 33143

Active

$11,500,000

7

Bedrooms

9

Bathrooms

9,640 sqft

Living Area

1992

Year Built

Mortgage Calculator

Estimate your monthly payment for this waterfront property

Loan Term

Down Payment

20%

$2,300,000 down

Interest Rate

%

Principal & Interest$59,671/mo

Property Tax (est. ~1.2%, varies by county)$11,500/mo

Home Insurance (est.)$250/mo

HOA Fees$500/mo

Total Monthly Payment$71,921

Loan Amount: $9,200,000Rate: 6.75%

Get Pre-Qualified

Estimated payments only. Actual rates and terms may vary.

Comparable Sales

$11,500,000Tour the dockSchedule a Showing

23,335

Lot Size (sqft)

$1,500

HOA / Quarterly

679

Days on Market

Dock & Water AccessMLS

Ocean AccessCanal FrontOne Fixed Bridge

Canal WidthDockOnly

At the dock

County parcel data

414ft

Width sampled every 10 ft from dock · perpendicular measurement

Measured perpendicular from this parcel's waterfront edge to the parcel directly across the canal, using surveyed county GIS boundaries. Multiple waterfront edges detected (corner lot or dual frontage); reported value is the widest — verify with the listing agent.

Will it turn around?

Up to 187 ft

Easy
handling

187–249 ft

Fits
with care

249–287 ft

Tight
(back-in)

Boats over 287 ft can't turn around here — back in/out only. Clear channel ≈ 374 ft once boats are docked both sides (FL rules cap each side ~20 ft). Wide-beam yachts need the upper end of each range.

Data sources: SFWMD AHED waterway polygons · FHWA National Bridge Inventory 2024 · Not provided by the MLS or listing broker.

Description

Welcome to a luxurious oasis located on the water in sought after Islands of Cocoplum in Coral Gables. This beautiful home was built by a prominent Miami Architect on a quiet street at the end of a beautiful cul-de-sac. Great floorplan, high ceilings and generous sized bedrooms. This property has lush greenery and 20-foot to 30-foot palm trees. It is incredible for welcoming family and friends. Have a spectacular barbecue by the pool and dock your gorgeous boat right on the canal. This unique home is 9640 sq ft under air and includes a 2-car oversized garage with plenty of storage space. Enjoy 24 hour roaming security patrol, newly renovated clubhouse w/60 ft. lap pool, playground, gym, 8 clay tennis courts, newly renovated basketball courts, pro beach volleyball court

Schedule a Showing

See the property and tour the dock. A licensed waterfront specialist will arrange your private showing.

Select a date

Location

Coral Gables, FL, 33143

No price history available for this property.

Listing courtesy of One Sotheby's International Realty

Last updated: 6/12/2026

© 2026 Miami Association of REALTORS®, Inc. All rights reserved. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of the Miami Association of REALTORS®. Information is deemed reliable but not guaranteed. All properties are subject to prior sale, change, or withdrawal.

IDX information is provided exclusively for consumers' personal, non-commercial use. It may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

FEMA Flood Zone AE

BFE: 11ft

Special Flood Hazard Area

View FEMA Flood Map →

Loading nearby marinas…

Loading nearby sandbars…

Similar Listings

6750 Granada Blvd

6750 Granada Blvd

Coral Gables, FL

Listed by Keller Williams Realty Premier Properties

420 Island Dr

420 Island Dr

Key Biscayne, FL

Listed by BHHS EWM Realty

56 S Hibiscus Dr

56 S Hibiscus Dr

Miami Beach, FL

Listed by Douglas Elliman

105 Reef Ln

105 Reef Ln

Key Biscayne, FL

Listed by NestWise Real Estate LLC

750 Lugo Ave

750 Lugo Ave

Coral Gables, FL

Listed by Compass Florida, LLC

1522 Island Blvd

1522 Island Blvd

Aventura, FL

Listed by Douglas Elliman

Swipe or use arrows to see more

Nearby Schools

Assigned Public Schools

E

Sunset Elementary

Grades PK-5 · Miami

M

Ponce de Leon MS

Grades 6-8 · Coral Gables

H

Coral Gables Senior High

Grades 9-12 · Coral Gables

Nearby Private Schools

Epiphany Catholic School1.4 mi

Our Lady of Lourdes Academy1.4 mi

The Mandelstam School1.6 mi

St Thomas Episcopal Parish School1.6 mi

Vanguard School of Coconut Grove1.6 mi

School data from Miami-Dade County Open Data Hub. Verify attendance zones with the school district.