Own South Beach

Yacht Club At Portofino

90 Alton Rd · Built 1999 · 36 floors · 359 residences

10 for sale
For sale
10
0 pending · 6.0 mo supply
Median asking
$830K
from $585K
Median $/sqft
$1,122/sqft
$1,024/sqft sold, 12 mo
Days on market
35
108 to sell · 20 in 12 mo
Yacht Club At Portofino
Listing photo · courtesy of Coldwell Banker Realty · MLS #A12070561

Located in the prestigious South of Fifth neighborhood, the Yacht Club at Portofino offers a resort-style lifestyle in a marina-front setting. The building is situated along the Marina Walk, providing immediate access to the Miami Beach Marina, South Pointe Park, and the beach. Residents enjoy expansive views of the Atlantic Ocean, Biscayne Bay, and the Miami skyline.

The building provides a variety of shared amenities, including a heated bayfront pool and jacuzzi, a fitness center, a sauna, and tennis courts. Additional features include a business center, a salon, a barbecue area with gas grills, and an on-site market. The property is a full-service building featuring a doorman, concierge, and 24-hour security.

Live near more of Miami

What surrounds Yacht Club At Portofino: seasonal events, annual programs and lifestyle indexes, measured from the building.

Distances are straight-line, not walking or driving.

Getting around

South Beach is a walkable urban neighborhood. Transit, parks, dining and landmarks within reach:

Ocean DriveLincoln RoadSouth Pointe ParkMiami Beach BoardwalkEspañola Way
60
/ 100
B
own.miami Score

A data-grounded score for Yacht Club At Portofino from live market data — value, momentum, liquidity, building health, waterfront and age. Computed, not opinion.

Value24
$1,068/sqft — vs. Miami condos
Momentum30
-5.1% $/sqft over 6 months
Liquidity79
5.4 months of supply · 36 days on market
Health90
No verified records yet — listing signals only
Waterfront90
Waterfront building
Age38
Built 1999
own.miami Condo Index
127100 = the median Miami condo, by price and liquidity.
Rank
#163 of 597 tracked Miami condos
Top 27% by price & liquidity
#38 of 86 in South Beach
Momentum
↓ Cooling
$1,068/sqft median ask
Liquidity
Hot
See the full Condo Index →

The stacks

5 lines · modeled from 20 sales

Condos repeat vertically — each “line” is a stack of near-identical units up the tower. We reconstruct Yacht Club At Portofino’s lines from its sale history: the floorplan, the view, and how $/sqft climbs with the floor. The best value is the -03 line.

LineLayoutSizeView$/sqftSales
-022 bd · 2 ba1,130 sqftBayWaterfront$1,343/sqft3
-03Best value2 bd · 2 ba1,080 sqftOcean ViewWaterfront$880/sqft3
-051 bd · 1 ba740 sqftOcean ViewWaterfront$912/sqft2
-071 bd · 1 ba740 sqftOcean ViewWaterfront$945/sqft2
-102 bd · 2 ba1,090 sqftBayWaterfront$1,303/sqft2

Modeled from Yacht Club At Portofino’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 Yacht Club At Portofino’s own sales history.

Estimated value
$950,000
$843,000$1,057,000 · $880/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 Yacht Club At Portofino?

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

Inventory

90 Alton Rd #1809
New
$1,360,000$1,259/sqft
2 bd · 2 ba · 1,080 sqft
90 Alton Rd #1809
Listing courtesy of Douglas Elliman — Giorgio Vecchi (Lic. #3077796) · MLS #A12079955
90 Alton Rd #1005
New
$674,000$911/sqft
1 bd · 1 ba · 740 sqft
90 Alton Rd #1005
Listing courtesy of Coldwell Banker Realty — David Veit (Lic. #3027270) · MLS #A12070561
90 Alton Rd #1102
$1,670,000$1,478/sqft
2 bd · 2 ba · 1,130 sqft
90 Alton Rd #1102
Short-term leases OK
Listing courtesy of Condoideas Realty Group LLC — Delphine Jullien (Lic. #3294986) · MLS #A12068675
90 ALTON Road #2110
$1,550,000$1,422/sqft
2 bd · 2 ba · 1,090 sqft
90 ALTON Road #2110
Listing courtesy of RE/MAX Prestige Realty/RPB — Nathan Quick (Lic. #3445582) · MLS #B26060311
90 Alton Rd #607
New
$699,000$945/sqft
1 bd · 1 ba · 740 sqft
90 Alton Rd #607
Listing courtesy of Condoideas Realty Group LLC — Dawn Boucher (Lic. #3115002) · MLS #A12030218
90 Alton Rd #PH3209
New
$2,500,000$1,678/sqft
2 bd · 2 ba · 1,490 sqft
90 Alton Rd #PH3209
Listing courtesy of Coldwell Banker Realty — Jill Hertzberg (Lic. #0551544) · MLS #A12033825
90 Alton Rd #2207
$870,000$1,176/sqft
1 bd · 1 ba · 740 sqft
90 Alton Rd #2207
Listing courtesy of Keller Williams Eagle Realty — Manuel Zelaya (Lic. #3495495) · MLS #A12027870
90 ALTON RD #1007
$790,000$1,068/sqft
1 bd · 1 ba · 740 sqft
90 ALTON RD #1007
Short-term leases OK
Listing courtesy of Cervera Real Estate Inc. — Seikiti Shinmon (Lic. #3249736) · MLS #A12013991
90 Alton Rd #307
$585,000$791/sqft
1 bd · 1 ba · 740 sqft
90 Alton Rd #307
Listing courtesy of London Foster Realty — Peter Byfield (Lic. #3460001) · MLS #A12012128
90 Alton Rd #807
$695,000$939/sqft
1 bd · 1 ba · 740 sqft
90 Alton Rd #807
Airbnb-ready
Listing courtesy of Condoideas Realty Group LLC — Jacqueline Reeves (Lic. #3014198) · MLS #A11942619

Sold $/sqft trend

3-month rolling median of closed sales in Yacht Club At Portofino; bars are closings per month.

$798$1120$1441Nov 2025Jan 2026Mar 2026May 2026Jul 2026Sep 2026

Location

Nearby buildings within half a mile.

Building facts

Address
90 Alton Rd
Year built
1999
Floors
36
Residences
359
Waterfront
Yes

Amenities

  • · Pool
  • · Hot tub
  • · Tennis
  • · Fitness center
  • · Sauna
  • · Barbecue area
  • · Concierge
  • · Valet
  • · 24-hour security
  • · Business center
  • · On-site market
  • · Salon
  • · Marina

Building rules

Parking
The building offers dedicated garage parking and valet service.

Special assessments & recertification outlook

Elevated
  • Built 1999 — past its first structural milestone; next inspection around 2034

Estimated from Yacht Club At Portofino’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.

Frequently asked

How much do condos at Yacht Club At Portofino cost?+

There are 10 condos for sale at Yacht Club At Portofino, from $585,000, with a median asking price of $830,000 ($1,122/sqft).

Is Yacht Club At Portofino a good time to buy?+

Yacht Club At Portofino currently has about 6.0 months of supply — a balanced pace.

How much are the HOA fees at Yacht Club At Portofino?+

HOA / maintenance fees at Yacht Club At Portofino run around $1,160 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 Yacht Club At Portofino a waterfront building?+

Yes — Yacht Club At Portofino is a waterfront building (South Beach).

When was Yacht Club At Portofino built?+

Yacht Club At Portofino was built in 1999, 36 stories, 359 residences.

Stay ahead
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