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Duplex With Private Pool and Boat Dock
For Sale
$1,800,000

821 Palm St, Marco Island, FL 34145

SINGLE_FAMILY - Other - MARCO ISLAND, FL

Property Size3,754 SF
Lot Size0.35 Acres
Price / SF$479.49
Days on Market226

Property Features for 821 Palm St

General Information

Property type Residential
Property subtype Duplex
Bedrooms 5
Bathrooms 4
Full bathrooms 4
Rooms Den, Bedroom 4, Bathroom 4, Bedroom 2, Bathroom 1, Laundry Room, Bathroom 2, Bedroom 1, Bathroom 3, Bedroom 3, Bedroom 5
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
Subdivision MARCO ISLAND
Lot features Oversize, Oversize
Elementary school TOMMIE BARFIELD
Middle school MANATEE MIDDLE
High school MARCO ISLAND ACADEMY
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
Legal Description OLD MARCO VILLAGE BLK 1 LOT 38 OR 1213 PG 644

Utilities

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

Amenities

pool
water access
canal views
professional landscaping
private balconies
walk-out basement

Building Details

Year built 1987
Floors in Building 2
Number of units 2
Flooring type Wood, Carpet, Tile
Building materials Concrete Block, Stucco
Roof type Metal
Architectural style Other
Listing Agency: Premiere Plus Realty Company
Listed By: Joe Bartos, PA
Added: Dec 18, 2025 Changed: Aug 1 Last Checked: Aug 1 at 2:06PM
MLS# 225082012

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.

Duplex offering two fully furnished units on a corner setting in Old Marco. Each unit has a spacious layout and access to a private garage. Unit A includes 2 bedrooms, 2 bathrooms, and a loft with a full laundry room, plus kitchen, dining, and living areas with a balcony; the unit is described as awaiting potential remodel. Unit B is newly remodeled with quartz counters, tile floors, a wine-cooler, and washer and dryer, and includes 3 bedrooms with 4 balconies, 2 bathrooms, a galley kitchen, and ample living and dining space.

Both units have direct waterfront context with canal views and frequent osprey activity, along with pool access and direct access to the Gulf of America. The property includes a private boat dock, screened balcony features, and professional landscaping. There are four separate A/C units, plus individual water and power connections for each unit, supporting independent utilities. Parking is described as 6+ spaces, including two private garages. Additional features include a large walk-out basement with storage cabinets and an included metal roof. Construction materials are concrete block and stucco, with built-in cabinets and interior flooring of wood, carpet, and tile. Built in 1987, the property sits on a 0.35-acre lot.

Key Highlights

  • Two furnished units with private garage access for each unit
  • Private pool plus private boat dock and seawall waterfront features
  • Four separate A/C units and individual water and power connections for each unit

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 authorities.

Property Analytics

Current Use

Duplexes

Suggested Use

Top Pick Parking Lot & Garage Law Firm Auto Parts Store Bakery Pharmacy (Bike/Boat/Book/etc) Store

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

Multi-tenant
Tenancy

Location Intelligence

Trade Area within ½ mile

126
Businesses Nearby

Demographics for 34145, FL

15,717
Population
18,436
Households
0.9
Avg Household Size
66
Median Age
48%
College-Educated
97%
High-School Grad
16.3 sq mi
ZIP Area
964
Density / Sq Mi
$104,105
Median Household Income
$53,813
Median Earnings
$1,955
Median Rent
$866,200
Median Home Value

Market

Vacancy Rate% for Multifamily in South region

8.5% 2022
10.2% 2023
11.4% 2024
11.3% 2025
Rey
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Frequently Asked Questions

What type of property is this?
Duplex - Two furnished units with private garages, a private pool, and private boat dock on canal with seawall access.
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: Two furnished units with private garage access for each unit; Private pool plus private boat dock and seawall waterfront features; Four separate A/C units and individual water and power connections for each unit
More about this property
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