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Waterfront Duplex with Private Dock
For Sale
$1,800,000

821 Palm St, Marco Island, FL 34145

Residential, 2 Story, Duplex, MARCO ISLAND, FL

Property Size3,754 SF
Lot Size0.35 Acres
Price / SF$479.49
Days on Market296

Property Features for 821 Palm St

General Information

Property type Residential
Property subtype Duplex
Bedrooms 5
Bathrooms 4
Full bathrooms 4
Rooms Den, Bathroom 2, Bathroom 1, Bedroom 2, Laundry Room, Bedroom 1, Bedroom 4, Bedroom 3, Bedroom 5, Bathroom 4, Bathroom 3
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 Central Air, Electric
Water front features Seawall
Water front 1

Amenities

pool
water access
professional landscaping
private balcony
laundry room
wine-cooler

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
Listed By: Joe Bartos, PA · License #267510559
Added: Dec 18, 2025 Changed: Sep 30 Last Checked: Oct 10 at 7:06AM
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.

This 3,754-square-foot duplex on a 0.35-acre parcel includes two furnished residences, each with separate water and power connections and access to a private garage. Unit A contains two bedrooms, two bathrooms, private balconies, a loft, full laundry room, kitchen, dining area, and living room. Unit B provides three bedrooms, two bathrooms, four balconies, a galley kitchen, and remodeled interiors with quartz counters, tile flooring, a wine cooler, and washer and dryer. Four separate A/C units serve the property, while a walk-out basement adds storage space and includes two additional air-conditioners.

Built in 1987, the property features a private pool, seawall, boat dock, professional landscaping, canal views, and 6+ parking spaces, including two private garages. The location at Palm Street and Edington Place in Old Marco is within walking distance of shops and restaurants, including Snook Inn, and offers direct water access to the Gulf of America.

Key Highlights

  • Two‑unit duplex with 3,754 square feet on 0.35 acres
  • Unit A: 2 bedrooms, 2 bathrooms, loft, full laundry room, and private balconies
  • Unit B: 3 bedrooms, 2 bathrooms, 4 balconies, and newly remodeled interiors

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$55,455
Cap Rate
3.08%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,109,100 $1.1M
Cap Rate 7%
$792,214 $792.2K
Cap Rate 9%
$616,167 $616.2K
Market Conditions
NOI Build-Up for 3,754 SF
Gross rent
$83.3K $22.20/SF
− Vacancy
−$4.1K −$1.10/SF
EGI
$79.2K $21.10/SF
− OpEx
−$23.8K −$6.33/SF
NOI
$55.5K $14.77/SF
Area
Collier County, FL
Vacancy
4.94%
Lease Rate
$22.20 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,109,100
Cap Rate 7%
$792,214
Cap Rate 9%
$616,167

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

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Current Use

Duplexes

Suggested Use

Top Pick Parking Lot & Garage Law Firm Bakery Auto Parts Store 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

2
Residential units
Yes
Paved road access
Yes
Utilities to site

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
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
View Realmo Analytics

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 residences offer separate utilities, private garages, balconies, and access to a private pool.
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‑unit duplex with 3,754 square feet on 0.35 acres; Unit A: 2 bedrooms, 2 bathrooms, loft, full laundry room, and private balconies; Unit B: 3 bedrooms, 2 bathrooms, 4 balconies, and newly remodeled interiors
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