# 310 Harbor Ct, Key Biscayne, FL 33149

> **TL;DR:** 4bd/2ba single family, $3,150,000 ($1448/sqft), built 1958, 2,175 sqft. Est. $13,650/mo.

## Property at a Glance

| Attribute | Value |
|-----------|-------|
| Price | $3,150,000 |
| Price/sqft | $1448 |
| Bedrooms | 4 |
| Bathrooms | 2 full |
| Square Feet | 2,175 |
| Year Built | 1958 |
| Lot Size | 7,501 sqft (0.17 acres) |
| Property Type | Single Family (Single Family Residence) |
| Status | For Sale |
| Days on Market | 0 |

## Estimated Monthly Costs

| Category | Amount |
|----------|--------|
| Mortgage (20% down, 6.5%) | $13,650 |
| **Total** | **$13,650** |

## Nearby Schools

- **Elementary:** Keybiscayne
- **Middle:** Ponce De Leon
- **High:** Coral Gables

## Property Highlights

- Built in 1958
- 0.17 acre lot

## Description

### Agent Description
Remodeled 4-bedroom, 2-bath custom-built home featuring an open foyer entry, separate living and dining rooms, and an eat-in kitchen with wood cabinetry and granite countertops. Spacious primary suite with dual sinks in the en-suite bath. Enjoy a large covered terrace, perfect for outdoor living.

## Location

- **Address:** 310 Harbor Ct, Key Biscayne, FL 33149
- **County:** Miami-Dade
- **Neighborhood:** Tropical Isle Homes Sub 4

## Listing Agent

- **Name:** Carlos Coto
- **Brokerage:** One Sotheby's International Realty
- **Phone:** 3053652811
- **Email:** carlos@thecotogroup.com

## Primary Photo

![310 Harbor Ct - Primary Photo](http://lh.rdcpix.com/0fe7f7e8b891355c20c06b4459e0bb05l-f3704203451r.jpg)

*25 total photos available on [listing page](https://www.propertysimple.com/listing/310-harbor-ct-key-biscayne-fl-33149-11959280)*

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**MLS#:** A11959280 | **Updated:** 2026-06-17
**Source:** listhub

*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.*

[View on PropertySimple](https://www.propertysimple.com/listing/310-harbor-ct-key-biscayne-fl-33149-11959280)

---

## Structured Data

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  "@type": "RealEstateListing",
  "name": "310 Harbor Ct, Key Biscayne, FL 33149",
  "description": "Remodeled 4-bedroom, 2-bath custom-built home featuring an open foyer entry, separate living and dining rooms, and an eat-in kitchen with wood cabinetry and granite countertops. Spacious primary suite with dual sinks in the en-suite bath. Enjoy a large covered terrace, perfect for outdoor living.",
  "url": "https://www.propertysimple.com/listing/310-harbor-ct-key-biscayne-fl-33149-11959280",
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  "datePosted": "2026-06-17",
  "price": 3150000,
  "priceCurrency": "USD",
  "address": {
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    "postalCode": "33149",
    "addressCountry": "US"
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  "numberOfBedrooms": 4,
  "numberOfBathroomsTotal": 2,
  "numberOfFullBathrooms": 2,
  "floorSize": {
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    "value": 2175,
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  "yearBuilt": 1958
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```