# Key Colony Ocean Sound

As of 2026-09-30, Key Colony Ocean Sound in Key Biscayne has 1 units for sale at a median asking price of $1.9M ($1,229/sqft); 5 units sold in the last 12 months.

Key Colony Ocean Sound is an oceanfront condominium complex in Key Colony on Key Biscayne.

## Key facts

| | |
|---|---|
| Address | 251 Crandon Blvd |
| Neighborhood | Key Biscayne |
| Year built | 1979 |
| Floors | 12 |
| Units | 311 |
| Waterfront | yes |
| Developer | Fritz Scharenberg |
| For sale | 1 |
| Pending | 0 |
| Median asking price | $1,900,000 |
| Median asking $/sqft | $1,229/sqft |
| Sold, last 12 months | 5 |
| Median sold $/sqft, 12 months | $729/sqft |
| Months of inventory | 2.4 |
| Median HOA | $1,707/mo |
| Parking | The building offers assigned covered parking, with some units featuring two assigned covered parking spaces. |

## Own Miami measures

- **own.miami Building Score: 58 (B)**
  - Value: 12 — $1,229/sqft — vs. Key Biscayne condos, then all of Miami
  - Momentum: 54 — +1.1% $/sqft over 6 months
  - Liquidity: 53 — 2.4 months of supply · 371 days on market
  - Health: 100 — Verified records on file — nothing adverse
  - Waterfront: 90 — Waterfront building
  - Age: 27 — Built 1979 — vs. Key Biscayne buildings
- **Own Miami Condo Index: 126** (above_market; 100 = the market-median building, 200 = twice its $/sqft; rank 218 of 698 tracked Miami condos)
- **Financeability Index: 61** (good; 12-month window, 6 recorded mortgages, 38% of sales bank-financed, lowest down payment 20%, as of 2026-10-31)
- Special-assessment outlook: elevated (next structural milestone inspection due 2034)

## Building health (verified public records)

- Public records checked 2026-10-26: no liens, lawsuits or regulatory complaints found
- positive: Bank financing — Regulated lenders recorded 3 purchase or refinance loans on this building in the last 12 months, financing 38% of its recorded sales, and accepted a down payment as low as 20%. A bank writing a condominium loan has just checked the building's reserves, insurance, litigation and owner-occupancy against its own standards — verified due diligence, read from the public record. Financeability Index 61/100. (2026-10-31)
- Legal & regulatory: 0 material cases active, 0 disputes active, 0 DBPR complaints (36 months) (2026-09-20)

## Frequently asked questions

**How much do condos at Key Colony Ocean Sound cost?**

There are 1 condos for sale at Key Colony Ocean Sound, from $1,900,000, with a median asking price of $1,900,000 ($1,229/sqft).

**How much are the HOA fees at Key Colony Ocean Sound?**

HOA / maintenance fees at Key Colony Ocean Sound run around $1,707 per month among units currently for sale; the exact fee varies by unit size and line, so confirm the current amount with the listing or the condo association.

**Is Key Colony Ocean Sound a waterfront building?**

Yes — Key Colony Ocean Sound is a waterfront building (Key Biscayne).

**When was Key Colony Ocean Sound built?**

Key Colony Ocean Sound was built in 1979, 12 stories, 311 residences.

**Who developed Key Colony Ocean Sound?**

Key Colony Ocean Sound was developed by Fritz Scharenberg.

## Related pages

- [Key Biscayne — neighborhood guide](https://own.miami/key-biscayne)
- [All units for sale at Key Colony Ocean Sound](https://own.miami/buildings/key-colony-ocean-sound/for-sale)
- [Commodore Club South](https://own.miami/buildings/commodore-club-south)
- [Casa Del Mar](https://own.miami/buildings/casa-del-mar)
- [Key Colony Emerald Bay](https://own.miami/buildings/key-colony-emerald-bay)
- [Tidemark at Key Colony](https://own.miami/buildings/tidemark-at-key-colony)

---

Source: Own.Miami — https://own.miami · data as of 2026-09-30
Canonical page: https://own.miami/buildings/key-colony-ocean-sound
License: CC BY 4.0 — https://creativecommons.org/licenses/by/4.0/
Methodology: https://own.miami/methodology · For AI assistants: https://own.miami/for-ai