# 430 Grand Bay Dr #307, Key Biscayne, FL 33149

> **TL;DR:** 3bd/4ba condo, $3,400,000 ($1197/sqft), built 1999, 2,840 sqft.
> Waterfront, A/C, 1-car garage. Est. $21,302/mo.

## Property at a Glance

| Attribute | Value |
|-----------|-------|
| Price | $3,400,000 |
| Price/sqft | $1197 |
| Bedrooms | 3 |
| Bathrooms | 4 full |
| Square Feet | 2,840 |
| Year Built | 1999 |
| Garage | 1-car |
| Property Type | Condo (Condominium) |
| Status | Active |
| Days on Market | 0 |

## Why This Home Stands Out

- **Waterfront** - Waterfront location listed

## Estimated Monthly Costs

| Category | Amount |
|----------|--------|
| Principal & Interest (20% down, 30-year at 6.5%) | $17,192 |
| Estimated Insurance | $992 |
| HOA | $3,118 |
| **Total** | **$21,302** |

## Nearby Schools

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

## Key Amenities

- Waterfront
- A/C
- 1-car garage

## Property Highlights

- Built in 1999
- Waterfront

## Description

### Agent Description
Step off your private elevator into your own foyer and feel instantly at home. This updated, light-filled 3BR + maid's quarters / 4BA offers a wonderfully functional layout - open living and dining area, family room, and a partially open kitchen with snack counter, all flowing to a spacious garden terrace with peaceful green views. Three full ensuite bedrooms. The primary suite is bright and spacious with its own private balcony. Impact windows throughout. Move-in ready. Boutique building. Enjoy Grand Bay's five-star amenities: beach service, pool, fitness center, concierge, valet, tennis and padel courts, and more - all steps from the Ritz-Carlton! Island living at its finest.

## Location

- **Address:** 430 Grand Bay Dr #307, Key Biscayne, FL 33149
- **County:** Miami-Dade
- **Neighborhood:** GRAND BAY TOWER CONDO
- **Coordinates:** 25.693096, -80.157999
- **Google Maps:** https://www.google.com/maps?q=25.693096,-80.157999

## Virtual Tour & Media

- **Video Tour:** https://www.zillow.com/view-imx/67c685d2-d3ec-44ae-adf3-58d34f9fcac2?setAttribution=mls&wl=true&initialViewType=pano

## Listing Agent

- **Name:** Giulietta Ulloa · **License:** 0658811
- **Brokerage:** BHHS EWM Realty
- **Phone:** 3057106620
- **Broker Phone:** (305) 960-2587
- **Listing URL:** [View original listing](https://www.realtor.com/realestateandhomes-detail/430-Grand-Bay-Dr-Apt-307_Key-Biscayne_FL_33149_M60668-39901?f=listhub&s=MAORFL&m=A11989375&c=propsimple)

## Photos

![430 Grand Bay Dr #307 - Photo 1](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f1335026107r.jpg)

![430 Grand Bay Dr #307 - Photo 2](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f1996581344r.jpg)

![430 Grand Bay Dr #307 - Photo 3](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f985717140r.jpg)

![430 Grand Bay Dr #307 - Photo 4](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f3585425052r.jpg)

![430 Grand Bay Dr #307 - Photo 5](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f497112946r.jpg)

![430 Grand Bay Dr #307 - Photo 6](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f1012898114r.jpg)

![430 Grand Bay Dr #307 - Photo 7](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f3928811704r.jpg)

![430 Grand Bay Dr #307 - Photo 8](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f3215537240r.jpg)

![430 Grand Bay Dr #307 - Photo 9](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f2624472320r.jpg)

![430 Grand Bay Dr #307 - Photo 10](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f114796636r.jpg)

![430 Grand Bay Dr #307 - Photo 11](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f2701470845r.jpg)

![430 Grand Bay Dr #307 - Photo 12](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f3708394839r.jpg)

![430 Grand Bay Dr #307 - Photo 13](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f103625145r.jpg)

![430 Grand Bay Dr #307 - Photo 14](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f1934104388r.jpg)

![430 Grand Bay Dr #307 - Photo 15](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f1605027466r.jpg)

![430 Grand Bay Dr #307 - Photo 16](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f1107538213r.jpg)

![430 Grand Bay Dr #307 - Photo 17](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f1202689587r.jpg)

![430 Grand Bay Dr #307 - Photo 18](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f18748559r.jpg)

![430 Grand Bay Dr #307 - Photo 19](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f602485727r.jpg)

![430 Grand Bay Dr #307 - Photo 20](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f3704634138r.jpg)

![430 Grand Bay Dr #307 - Photo 21](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f1797858504r.jpg)

![430 Grand Bay Dr #307 - Photo 22](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f1710446238r.jpg)

![430 Grand Bay Dr #307 - Photo 23](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f3725393413r.jpg)

![430 Grand Bay Dr #307 - Photo 24](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f1035068308r.jpg)

![430 Grand Bay Dr #307 - Photo 25](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f2276638051r.jpg)

![430 Grand Bay Dr #307 - Photo 26](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f957661252r.jpg)

![430 Grand Bay Dr #307 - Photo 27](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f2980679018r.jpg)

![430 Grand Bay Dr #307 - Photo 28](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f2497290840r.jpg)

![430 Grand Bay Dr #307 - Photo 29](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f1642696330r.jpg)

![430 Grand Bay Dr #307 - Photo 30](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f4243055402r.jpg)

![430 Grand Bay Dr #307 - Photo 31](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f2054453590r.jpg)

![430 Grand Bay Dr #307 - Photo 32](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f1221223577r.jpg)

![430 Grand Bay Dr #307 - Photo 33](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f156446115r.jpg)

![430 Grand Bay Dr #307 - Photo 34](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f612818593r.jpg)

![430 Grand Bay Dr #307 - Photo 35](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f3034266034r.jpg)

![430 Grand Bay Dr #307 - Photo 36](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f1436477225r.jpg)

![430 Grand Bay Dr #307 - Photo 37](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f282116703r.jpg)

![430 Grand Bay Dr #307 - Photo 38](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f2556220104r.jpg)

![430 Grand Bay Dr #307 - Photo 39](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f2830715219r.jpg)

![430 Grand Bay Dr #307 - Photo 40](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f70721880r.jpg)

![430 Grand Bay Dr #307 - Photo 41](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f3870591062r.jpg)

![430 Grand Bay Dr #307 - Photo 42](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f1288061888r.jpg)

![430 Grand Bay Dr #307 - Photo 43](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f2214640701r.jpg)

![430 Grand Bay Dr #307 - Photo 44](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f3783599166r.jpg)

![430 Grand Bay Dr #307 - Photo 45](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f332194461r.jpg)

![430 Grand Bay Dr #307 - Photo 46](http://lh.rdcpix.com/70885bf464e5836cd1544934450b7b88l-f1693486593r.jpg)

---

**MLS#:** A11989375 | **Updated:** 2026-09-24
**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.ai/listing/430-grand-bay-dr-key-biscayne-fl-33149-11989375)

---

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      },
      {
        "@type": "LocationFeatureSpecification",
        "name": "Flooring",
        "value": "Carpet, Marble"
      },
      {
        "@type": "LocationFeatureSpecification",
        "name": "Construction Materials",
        "value": "Block"
      },
      {
        "@type": "LocationFeatureSpecification",
        "name": "Parking Features",
        "value": "Garage, Assigned, Valet"
      },
      {
        "@type": "LocationFeatureSpecification",
        "name": "Waterfront",
        "value": true
      },
      {
        "@type": "LocationFeatureSpecification",
        "name": "Air Conditioning",
        "value": true
      }
    ],
    "additionalProperty": [
      {
        "@type": "PropertyValue",
        "name": "Garage Spaces",
        "value": 1
      },
      {
        "@type": "PropertyValue",
        "name": "Unit Number",
        "value": "307"
      },
      {
        "@type": "PropertyValue",
        "name": "Property Subtype",
        "value": "Condominium"
      }
    ]
  },
  "offers": {
    "@type": "Offer",
    "@id": "https://www.propertysimple.ai/listing/430-grand-bay-dr-key-biscayne-fl-33149-11989375#offer",
    "url": "https://www.propertysimple.ai/listing/430-grand-bay-dr-key-biscayne-fl-33149-11989375",
    "price": 3400000,
    "priceCurrency": "USD",
    "businessFunction": "http://purl.org/goodrelations/v1#Sell",
    "availability": "https://schema.org/InStock",
    "seller": {
      "@id": "https://www.propertysimple.ai/listing/430-grand-bay-dr-key-biscayne-fl-33149-11989375#agent"
    }
  },
  "provider": {
    "@type": "Person",
    "@id": "https://www.propertysimple.ai/listing/430-grand-bay-dr-key-biscayne-fl-33149-11989375#agent",
    "name": "Giulietta Ulloa",
    "telephone": "3057106620",
    "worksFor": {
      "@type": "Organization",
      "@id": "https://www.propertysimple.ai/listing/430-grand-bay-dr-key-biscayne-fl-33149-11989375#brokerage",
      "name": "BHHS EWM Realty",
      "telephone": "(305) 960-2587"
    }
  }
}
```