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About this home

Lower Penthouse 2N at Oceana Key Biscayne presents a rare opportunity to own a meticulously curated, fully remodeled sky residence in one of South Florida’s most exclusive boutique oceanfront communities. Spanning nearly 6,000 SF of total living area including interior + expansive terraces, this exceptional flowthrough home showcases breathtaking ocean, beach, bay, skyline, and Miami Beach views while capturing both spectacular sunrises and sunsets. Thoughtfully reimagined with exceptional attention to detail, the residence blends sophisticated design with effortless functionality. Soaring 11-ft ceilings, rich custom millwork and designer wall coverings, integrated architectural lighting, built-in audio, Crestron smart home automation, custom built-ins, and bespoke finishes throughout create an atmosphere of understated luxury. Designed for both intimate living and grand entertaining, the home features a private elevator foyer, hidden custom bar, elegant formal and informal living spaces, 4 spacious en-suite bedrooms, 5.5 bathrooms, laundry/staff quarters, & an exceptional sense of privacy throughout. Residents enjoy Oceana’s unmatched white-glove service and world-class amenities, including over 500 feet of pristine beachfront, resort-style pools, fitness center and spa, resident-favorite restaurant, tennis court, beach volleyball, and beautifully curated grounds. A truly extraordinary offering for the most discerning buyer. Includes 4 assigned parking spaces & 1 storage.

Facts & features

Interior

  • First Floor Entry
  • Bar
  • Built-in Features
  • Closet Cabinetry
  • Elevator
  • Entrance Foyer
  • Volume Ceilings
  • Maid/In-Law Quarters
  • Storage
  • Utility Room/Laundry

Exterior

  • Open Balcony
  • Tennis Court(s)

Appliances

  • Dishwasher
  • Disposal
  • Dryer
  • Ice Maker
  • Microwave
  • Electric Range
  • Refrigerator
  • Wall Oven
  • Washer

Cooling & heating

  • Central Air
  • Central

Flooring

  • Marble
  • Wood

Parking

  • 2 Or More Spaces
  • Additional Spaces Available
  • Valet

Waterfront

  • Ocean Access
  • Ocean Front

View

  • Ocean View
  • Direct Ocean
  • Skyline

Community amenities

  • Bar
  • Business Center
  • Child Play Area
  • Clubhouse-Clubroom
  • Community Room
  • Elevator(s)
  • Exercise Room
  • Exterior Lighting
  • Storage
  • Private Pool

Security

  • Complex Fenced
  • Elevator Secure
  • Lobby Secured

Laundry

  • Utility Room/Laundry

Maintenance includes

  • All Amenities

Construction & roof

  • CBS Construction

Location

350 Ocean Dr, Key Biscayne

Mortgage Estimator

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Home priceUSD
Enter as digits, with commas, or shorthand: 1.9M · 1900K · 1,895,000
ZIP codeMiami-Dade
Miami-Dade County (exact match).
Payment typeFinanced
Conventional or jumbo loan, depending on size.
Down payment20% · $3,580,000
%
$14,320,000 financed· Jumbo loan
Loan termyears
Base rate% (760+ band)
Loading current market rate...
Your rate at 740-759:6.995%(base + 0.12%)
Loan exceeds the conforming limit. Jumbo rates from portfolio lenders typically run 0.25–0.75% below the 30-yr fixed shown here.
Primary residenceNo
No homestead exemption — full property tax applies.
Credit score banddrives rate
Lenders price LLPA adjustments by credit band. See impact panel for monthly + lifetime deltas.
Your finances optional, for DTI
Gross annual income
$
Other monthly debts
$
Household combined pre-tax income and the sum of your monthly debt-service payments (auto loans, student loans, credit-card minimums). We don't count groceries, utilities, or insurance — those don't factor into lender DTI.
Estimated monthly
$146,748
Per month, all-in
65%P&I SHARE
Monthly breakdown
  • Principal & interest$95,22365%
  • Property taxes$11,8258%
  • Insurance$30,43021%
  • HOA$9,2706%

Tax: From listing — annual tax of record.

Insurance: Barrier island or Florida Keys — Citizens-territory rates apply. Estimate; private-market quotes commonly run 50–100% above this baseline.

Cash & qualification
Cash at closing
$4,282,054
Income to qualify
$6,290,000/yr
Credit-score impact

Improving from 740-759 to 760+ would save $1,151/mo and $414,371 over the life of this loan.

Over the life of the loan
Total paid
$34,280,365
Total interest
$19,960,365
Paid off
2056
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350 Ocean Dr, Key Biscayne · $17,900,000