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Two-Unit Duplex with Private Garages

821 Palm St Marco Island, FL 34145

821 Palm St, Marco Island, FL, 34145
$1,800,000
For Sale
$1,800,000

SINGLE_FAMILY - Other - MARCO ISLAND, FL

Property Size3,754 SF
Lot Size0.35 Acres
Price / SF$479.49
Days on Market212

Property Features for 821 Palm St

General Information

Property type
Residential
Property subtype
Duplex
Bedrooms
5
Bathrooms
4
Rooms
Den, Bedroom 3, Bedroom 2, Bedroom 5, Bedroom 1, Bedroom 4, Bathroom 3, Laundry Room, Bathroom 4, Bathroom 2, Bathroom 1
Parking
2
Parking features
Driveway
Patio and Porch features
Deck
Pets allowed
Yes
Pool private
1
Interior features
Built-In Cabinets
Exterior features
Boat Dock Private, Balcony, Screened Balcony
Appliances
Dishwasher, Dryer, Microwave, Refrigerator/Icemaker, Washer
Standard status
Active
APN
64611200002
Size
3,754 SF
Lot size
0.35 Acres

Taxes and HOA fees

Tax Year
2024
Tax Description
OLD MARCO VILLAGE BLK 1 LOT 38 OR 1213 PG 644
Tax Annual Amount
13206

Utilities

Heating system
Central, Electric (Heating)
Cooling system
Electric, Central Air
Water front features
Seawall
Water front
1

Building Details

Year built
1987
Floors in Building
2
Number of units
2
Flooring type
Carpet, Tile, Wood
Building materials
Concrete Block, Stucco
Roof type
Metal
Architectural style
Other
Listing Agency Premiere Plus Realty Company
9015 Strada Stell Ct. #104, Naples, FL
Listed by Joe Bartos, PA
Added: Dec 18, 2025 Checked: Jul 18 at 12:06 pm
MLS# 225082012 Listing URL

Copyright © 2026 Naples Area Board of REALTORS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.


Investment Insights

Based on property information with market context.

This two-unit duplex offers two furnished residences with separate, functional layouts. Unit A includes two bedrooms, two bathrooms, and a loft with a full laundry room, plus kitchen, dining, and living areas that open to a balcony. Unit B is newly remodeled and features three bedrooms, two bathrooms, a galley kitchen, and ample living and dining space, along with multiple balconies. Each unit provides private garage access, and the property also includes four separate A/C units with individual water and power connections. A large walk-out basement with storage cabinets and additional A/C units supports extra storage or flexible use.

The property is situated on a corner lot on Palm Street and Edington Place. The grounds include professional landscaping, and the listing notes a pool and water access, along with canal views.

A total of 6+ parking spaces is provided, including two private garages. The duplex is being offered for sale in Marco Island, Florida.

Key Highlights

  • 2‑unit property in Old Marco with direct Gulf access, seawall, private boat dock, and canal views with frequent osprey activity
  • Fully furnished Unit A with 2 bedrooms, private balconies, loft with full laundry room, and balcony in kitchen/dining/living layout
  • Newly remodeled Unit B with 3 bedrooms, quartz counters, tile floors, wine cooler, and in‑unit washer & dryer

Local Financial Insights For Multifamily LT 5

Simulate Cap Rate and NOI

NOI Build-Up
Vacancy
income lost from leasable area expected to sit empty during the year — subtracted from gross rent.
EGI (Effective Gross Income)
gross rent minus vacancy losses — the realistic income before paying operating costs.
OpEx (Operating Expenses)
recurring costs to operate the property (property tax, insurance, utilities, maintenance, management) — excludes financing and capital improvements.
NOI (Net Operating Income)
income a property generates after operating costs but before financing and taxes.

Component $ $/SF
Gross rent $83.3k $22.20
− Vacancy −$4.1k −$1.10
EGI $79.2k $21.10
− OpEx −$23.8k −$6.33
NOI $55.5k $14.77
3,754 SF · lease $22.20/SF/yr · vacancy 4.94% · expense 30.00%

Alternative Uses

Best Use
Multifamily LT 5
$792.2K
$693.2K – $924.3K (±1% cap)
NOI $55,455 @ 7.0% cap · market cap 3.08%
Second Best
Apartment 5plus
$728.1K
$637.1K – $849.5K (±1% cap)
NOI $50,969 @ 7.0% cap · market cap 2.83%
Theoretical Best
Office A
$1.51M
$1.32M – $1.76M (±1% cap)
NOI $105,466 @ 7.0% cap · market cap 5.86%
Zoning and permitted uses should be independently verified with local authorities.

Property Analytics

Property Profile Location Intelligence

Current Use by Public Records

Duplexes

Suggested Use

Parking Lot & Garage Law Firm Auto Parts Store Bakery Pharmacy (Bike/Boat/Book/etc) Store (Bike/Boat/Book/etc) Store Carpet & Flooring Store HVAC Service Skin Care Clinic

Zoning and permitted uses should be independently verified with local authorities.

FAQs

What type of property is this?
Duplex - Corner duplex includes two furnished units, each with private garage access, multiple A/C units, and separate utilities.
Where is this duplex located?
The property is located at 821 Palm St Marco Island, FL.
What is the asking price?
The asking price for this property is $1,800,000.
What are key features of this property?
This property features: 2‑unit property in Old Marco with direct Gulf access, seawall, private boat dock, and canal views with frequent osprey activity; Fully furnished Unit A with 2 bedrooms, private balconies, loft with full laundry room, and balcony in kitchen/dining/living layout; Newly remodeled Unit B with 3 bedrooms, quartz counters, tile floors, wine cooler, and in‑unit washer & dryer
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