Aerial view of Nautilus Extension

Nautilus Extension
Homes for Sale in Miami Beach, FL

All 1,701 homes for sale in Miami Beach, FL · median $550,000 · 532 homes for sale in 33140 · Miami-Dade County homes for sale

Community in Miami Beach · Miami-Dade County · ZIP 33140
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True comps, carrying-cost math, and listings before the portals.

Built fromLive MIAMI MLS dataUpdated twice daily

As of November 2026, the MLS records 1 closed sale in Nautilus Extension in Miami Beach, FL, the most recent in August 2026. Across Miami Beach as a whole, 233 homes closed in the last 12 months at a median of $660,000, 96 median days on market, with 521 homes for sale today. At that median and Miami-Dade County's FY2025-26 rate of 17.59 mills, annual property tax runs about $11,610 ($10,900 with the full homestead exemption).

Live · Nautilus Extension Housing Pulse MIAMI MLS + public records Analysis by Momentum Realty · $3.5B+ sold · 10,000+ customers served · Top 1% in Florida (RealTrends)
Tempo
0 · 0
For sale · pending
live counts, refreshed twice daily
Jon Brooks, Co-Founder of Momentum Realty
Jon's Read · written July 22, 2026

Nautilus Extension does not have enough current MLS activity in this snapshot window to support a reliable price read. The closings window we track here spans two months, and no community amenities are showing up on active or recent listings, so any pricing conversation has to happen deal by deal rather than off a headline number.

That kind of thin data set cuts both ways. A seller here should not lean on an assumed trend line, and a buyer should not expect a tidy comp set to negotiate against. The honest move in a market like this is to price and offer off the specific unit's condition and the handful of comparable closings that actually exist, not off a community average that the data cannot support yet.

Figures in this note are as of July 22, 2026. The live market numbers elsewhere on this page update nightly and are newer.

Nearby homes for sale

No active listings inside NAUTILUS EXTENSION right now. These are the 6 closest homes on the market, by straight-line distance from the community's center; some may sit just outside its boundary.

4354 Alton Rd
$3.40M · 0.0 mi away
4 bd · 4 ba · 2,874 sqft
4354 Alton Rd
Listed by One Sotheby's International Realty
4323 N Bay Rd
$2.10M · 0.1 mi away
3 bd · 2 ba · 2,440 sqft
4323 N Bay Rd
Listed by Nunu Realty, LLC.
4322 Alton Rd
$1.99M · 0.1 mi away
3 bd · 2 ba · 1,984 sqft
4322 Alton Rd
Listed by HomeCoin.com
4430 Alton Rd
$3.79M · 0.2 mi away
5 bd · 6 ba · 3,581 sqft
4430 Alton Rd
Listed by Coldwell Banker Realty
4430 Nautilus Dr
$7.29M · 0.2 mi away
7 bd · 7 ba · 4,501 sqft
4430 Nautilus Dr
Listed by Compass Florida, LLC
4455 N Bay Rd
$3.99M · 0.2 mi away
3 bd · 2 ba · 2,417 sqft
4455 N Bay Rd
Listed by Beachfront Realty Inc

Listing data from the MLS feeds named on each listing page; deemed reliable but not guaranteed. Refreshed nightly.

The 60-Second Overview

Nautilus Extension sits in Miami-Dade County with limited recent MLS turnover, and no amenities are currently listed against the community in active or recent listings.

MIAMI REALTORS sales records identify 83 homes in NAUTILUS EXTENSION that have changed hands since 2017, built between 1935 and 2026 (median 1947), with a median living area of about 3,012 sq ft and a typical 4-bedroom, 4-bath layout; 100% are single-family homes. Source: MIAMI REALTORS closed-sale history compiled by Momentum Research; counts reflect homes with a recorded MLS sale, not every home in the community.

Pre-construction details are compiled from public records, builder announcements and builder listings, and are subject to change without notice; figures are deemed reliable but not guaranteed. Momentum Research figures are our own analysis. This page describes homes, pricing and community attributes, not residents.

Best for

  • A buyer comfortable evaluating a specific unit on its own merits rather than a community trend line
  • A seller prepared to price against a small set of directly comparable closings, not a market average
  • An investor or relocation buyer who already has a target property in mind in this pocket of Miami-Dade

Probably not for

  • A buyer who wants a documented amenity package before touring
  • A buyer who needs a well-established sales history to feel confident in a valuation
  • A seller expecting a competitive multi-offer environment based on recent volume

The market around Nautilus Extension

Nautilus Extension is too small for its own price trend, so here is the market around it.

In ZIP 33140, 542 homes are on the market and 9% are under contract — a slower corner of Miami Beach.

Across Miami-Dade County, 14,507 homes are active and 2,241 pending (13% under contract).

In ZIP 33140 (Miami Beach), 57 homes closed in the last 12 months at a median of $515K ($583/sq ft), with a median 117 days on market. Right now 180 active and 7 pending listings. See the live ZIP 33140 housing market and the Miami-Dade County market.

ZIP and county figures describe the wider market, not Nautilus Extension specifically. Momentum Research analysis of MLS records.

If we were buying in Nautilus Extension today, this is the order of operations we would run for our clients.

1

Underwrite the condition first. Price the roof, HVAC, and systems honestly before judging any list price; condition swings value here more than square footage alone.

2

Match the home to real comps. Recent sales of similar condition and lot, not the asking price, tell you what a home is worth.

3

Move deliberately, not desperately. Neither side has a decisive edge, so a well-prepared, fairly-priced offer wins without overpaying.

4

Line up financing and inspection early. A pre-approval and an inspection plan let you act fast and negotiate from evidence.

5

Keep an agent in your corner. The listing agent works for the seller; we represent you and prepare a hand-built valuation before any offer in Nautilus Extension.

Best Buy
Buyers and sellers who are comfortable making decisions off deal-specific comps rather than a community average.
Biggest Risk
Thin closings data means pricing conclusions here carry more uncertainty than in a higher-volume community.
Sweet Spot
A buyer or seller working directly with a broker willing to dig into the individual comps rather than quote an average.
Avoid If
You need a track record of amenities or recent sales volume before committing to a community.

A market with too little data to average

The two-month closings window available for Nautilus Extension is short enough that a single sale can swing any average up or down. That is not unusual for smaller or lower-turnover pockets of Miami-Dade, but it means the numbers here should be treated as a starting point for a conversation, not a conclusion.

No community amenities are identified from current MLS listings, which likely reflects how the listings themselves are written up rather than a statement about the property itself. Either way, a buyer or seller should verify anything amenity-related directly rather than assume it based on this snapshot.

“

The location and the amenities are priced into every listing in Nautilus Extension. The deal is won or lost on condition, the comps, and the renovation math.

Jon Brooks · Founder, Momentum Realty

Why work with Momentum here

When the data set is this thin, the value of a broker is in knowing which comps actually apply and which ones are noise. We pull the specific closings that matter for a given unit in Nautilus Extension and price or negotiate against those, instead of leaning on a community-wide figure that the current MLS activity cannot responsibly support.

Nautilus Extension in 15 seconds.

Best forBuyers and sellers who are comfortable making decisions off deal-specific comps rather than a community average.
Biggest advantageMiami-Dade location without an inflated or over-marketed amenity story attached.
Biggest riskThin closings data means pricing conclusions here carry more uncertainty than in a higher-volume community.
Sweet spotA buyer or seller working directly with a broker willing to dig into the individual comps rather than quote an average.
Avoid ifYou need a track record of amenities or recent sales volume before committing to a community.
The takeaway

Selling here is won on condition and pricing to real comps, not an automated estimate. The right number comes from closed Nautilus Extension sales matched to your home.

What is your Nautilus Extension home worth?

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Real comps, not an automated estimate.
A buyer comfortable evaluating a specific unit on its own merits rather than a community trend lineExcellent fit
A seller prepared to price against a small set of directly comparable closings, not a market averageExcellent fit
An investor or relocation buyer who already has a target property in mind in this pocket of Miami-DadeExcellent fit
A buyer who wants a documented amenity package before touringProbably not
A buyer who needs a well-established sales history to feel confident in a valuationProbably not
A seller expecting a competitive multi-offer environment based on recent volumeProbably not

Data sources & freshness

Live listingsMIAMI MLS, refreshed twice daily (last: November 3, 2026)
Under-contract sharesMIAMI MLS records, as of 2026-11-10
Historical depthClosed-sale records back to 2026 (1 transactions analyzed)

Verify the primary sources yourself: Florida DOR · U.S. Census · FEMA flood maps · Citizens Property Insurance.

Momentum Research figures are our own analysis of MIAMI MLS records; MLS data is deemed reliable but not guaranteed. Methodology: how Momentum market scores are computed. Market metrics describe homes for sale and recent sales, not residents.

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Nearby Communities

Explore more neighborhoods near Nautilus Extension with Momentum Realty’s local guides.

Nautilus0.1 mi away · 6 for saleNautilus Extension0.2 mi awayNautilus Extension0.2 mi away · 1 for saleExcelsior Condominium0.2 mi away4S41St Street Business0.2 mi away · 1 for saleTownley Condo Apartments Inc0.3 mi awayKim Aimee Condo0.3 mi awayThe Castille Condo0.4 mi away

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