Own Key Biscayne

Key Colony Emerald Bay

151 Crandon Blvd · Built 1980 · 12 floors · 283 residences

4 for sale
For sale
4
3 pending · 3.2 mo supply
Median asking
$2.08M
from $1.25M
Median $/sqft
$1,106/sqft
$816/sqft sold, 12 mo
Days on market
130
61 to sell · 15 in 12 mo
Key Colony Emerald Bay
Listing photo · courtesy of Fortune Christie's International Real Estate · MLS #A11960931

Emerald Bay is situated in the heart of Key Biscayne within the Key Colony community. The building offers a resort-style atmosphere with a variety of views, including the Biscayne Bay, the Miami skyline, and the ocean. The property is characterized by its proximity to the beach and its extensive collection of amenities.

Residents have access to multiple swimming pools, including an Olympic-size pool and a waterfront pool with a snack bar. The community features 12 tennis courts, a fitness center, a children's playground, a dog run, and a library. Additional on-site conveniences include the Golden Hog Market, a beauty salon, and meeting rooms.

The building provides 24-hour security and concierge services. The grounds are described as lush and resort-style, offering a coastal lifestyle with direct beach access and various outdoor recreational spaces.

Getting around

Key Biscayne is a walkable urban neighborhood. Transit, parks, dining and landmarks within reach:

Crandon ParkBill Baggs Cape Florida State ParkRickenbacker CausewayCrandon Park MarinaKey Biscayne Village GreenMiami Seaquarium
64
/ 100
B+
own.miami Score

A data-grounded score for Key Colony Emerald Bay from live market data — value, momentum, liquidity, building health, waterfront and age. Computed, not opinion.

Value18
$1,106/sqft — vs. Key Biscayne condos, then all of Miami
Momentum78
+11.6% $/sqft over 6 months
Liquidity58
3.2 months of supply · 129 days on market
Health100
Verified records on file — nothing adverse
Waterfront90
Waterfront building
Age28
Built 1980 — vs. Key Biscayne buildings
own.miami Condo Index
134Above market100 = the median Miami condo building's price per sq ft; 200 = twice it.
Rank
#186 of 698 tracked Miami condos
Top 27% by price per sq ft
#23 of 45 in Key Biscayne
Momentum
↑ Rising
$1,106/sqft median ask
Liquidity
Warm
See the full Condo Index →

The stacks

7 lines · modeled from 49 sales

Condos repeat vertically — each “line” is a stack of near-identical units up the tower. We reconstruct Key Colony Emerald Bay’s lines from its sale history: the floorplan, the view, and how $/sqft climbs with the floor.

LineLayoutSizeView$/sqftSales
-022 bd · 2 ba1,506 sqftDirect OceanWaterfront$789/sqft4
-22Best value2 bd · 2 ba1,547 sqft—Waterfront$610/sqft3
-232 bd · 2 ba1,778 sqftBayWaterfront$647/sqft3
-262 bd · 2 ba1,532 sqftBayWaterfront$783/sqft4
-303 bd · 3 ba2,001 sqftOcean ViewWaterfront$1,149/sqft3
-382 bd · 2 ba1,547 sqftBayWaterfront$789/sqft2
-402 bd · 2 ba1,532 sqftSkylineWaterfront$625/sqft3

Modeled from Key Colony Emerald Bay’s past listings and sales — a guide to the building’s layouts and floor premiums, not an official floor plan. “Per floor” is the average $/sqft change per floor up the stack.

What’s a unit here worth?

Pick a line and a floor — we estimate the value from Key Colony Emerald Bay’s own sales history.

Estimated value
$944,000
$736,000–$1,152,000 · $610/sqft
Moderate confidence · 3 sales

Estimate only — not an appraisal. It reflects the line and floor, not a specific unit’s condition, renovations or view obstructions.

Want the inside track on Key Colony Emerald Bay?

Get new listings here before the portals, and a straight answer from someone who knows the building.

Inventory

Sold $/sqft trend

3-month rolling median of closed sales in Key Colony Emerald Bay; bars are closings per month.

$466$988$1510May 2024Oct 2024Mar 2025Jul 2025Feb 2026Jul 2026

Location

Nearby buildings within half a mile.

Building facts

Address
151 Crandon Blvd
Year built
1980
Floors
12
Residences
283
Developer
Fritz Scharenberg
Waterfront
Yes

Amenities

  • · Pool
  • · Spa
  • · Fitness/gym
  • · Valet
  • · Concierge
  • · 24-hour security
  • · Business center
  • · Party/social room
  • · Sauna
  • · Tennis
  • · Playground
  • · Beach access
  • · Dog park
  • · Market
  • · Salon
  • · Restaurant
  • · Library

Building rules

Parking
The building offers covered parking, with some units including one, two, or three assigned spaces.

Special assessments & recertification outlook

Elevated

Public records checked Oct 28, 2026: no liens, lawsuits or regulatory complaints found for the association.

Verified records

  • PositiveBank financingOct 31, 2026

    Regulated lenders recorded 7 purchase or refinance loans on this building in the last 12 months, financing 31% 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 67/100.

    Source: Miami-Dade Clerk official records

  • InfoSpecial assessment reported as paid — noted on 1 listingsSep 2, 2026

    Source: MLS listing remarks

  • Built 1980 — past its first structural milestone; next inspection around 2035

Estimated from Key Colony Emerald Bay’s age and signals in active listings — not an official inspection or reserve report. Always verify the building’s milestone-inspection status and reserves with the association before buying.

Financeability

What the banks say about Key Colony Emerald Bay: recorded purchase mortgages, the down payments they accepted, and the programmes in use.

67Financeable

Regulated lenders are writing purchase loans here at ordinary down payments — their due diligence on reserves, insurance and litigation, verified by the public record.

Mortgages recorded, 12 months
10
7 from banks and credit unions · purchases and refinances
Sales bank-financed
31%
16 recorded sales, 12 months · Resales only
Average down payment
37.4%
Lowest down payment accepted
20%
Loan programmes, 24 months:Conventional 8Private lenders 2

High confidence · As of 2026-10-31

Source: Miami-Dade County official records and the FHA/VA approval lists. Aggregates only; individual instruments are never shown. Compare with Key Biscayne

Flooding and storm surge

Public flood data at this building’s location, read Oct 22, 2026.

FEMA flood zone
Zone AE: high-risk area. FEMA maps a 1% yearly chance of flooding here.
Base flood elevation on the map: 9.0 ft (NGVD29).
Hurricane evacuation zone
Zone A
Miami-Dade storm surge planning zones run from A (called first) to E. The county decides which zones evacuate in a storm.
Ground at the building
4.1 ft
Lowest nearby street
4.3 ft
Highest predicted tide, 2026
1.0 ft

Elevations in feet above the NAVD88 datum.

The lowest street next to this building sits 3.3 ft above this year’s highest predicted tide (Oct 27, 2026).

Estimated from public data, not a flood determination. Check the FEMA flood map and an elevation certificate for this building.

How we measure thisCompare neighborhoods

Frequently asked

How much do condos at Key Colony Emerald Bay cost?+

There are 4 condos for sale at Key Colony Emerald Bay, from $1,250,000, with a median asking price of $2,085,000 ($1,106/sqft).

How much are the HOA fees at Key Colony Emerald Bay?+

HOA / maintenance fees at Key Colony Emerald Bay run around $2,536 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 Emerald Bay a waterfront building?+

Yes — Key Colony Emerald Bay is a waterfront building (Key Biscayne).

When was Key Colony Emerald Bay built?+

Key Colony Emerald Bay was built in 1980, 12 stories, 283 residences.

Who developed Key Colony Emerald Bay?+

Key Colony Emerald Bay was developed by Fritz Scharenberg.

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