515 21st Ave S, Naples, FL 34102
OFF MARKET

$5,918,600

Trulia Estimate
  • Studio
  • 3,147 sqft (on 0.34 acres)

515 21st Ave S, Naples, FL 34102

Aqualane Shore
Est. Refi. Payment $36,043/mo*
Refinance Your Home
Currently Off Market - Sold Apr 9, 1997 for $658,571

Home Value

Trulia Estimate
$5.92M
Since last month
Decreased$78K (-1.3%)
Since last year
Decreased$823K (-12%)
Since last sale
Increased$5M (+813.7%)
Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.

Trulia Estimate

The of this home's value increased by +89% in the last 10 years
MonthEstimated value
2026
September 2026$6.02M
August 2026$6.1M
July 2026$6.02M
June 2026$6.2M
May 2026$6.3M
April 2026$6.94M
March 2026$7.03M
February 2026$7.39M
January 2026$7.17M
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016

Comparable sales

These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.
Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
309 Little Harbour LN, Naples, FL
0.28
Single-Family Home
$5,970,000
04/24/26
4
5
3,987
1959 4th ST S, Naples, FL
0.14
Single-Family Home
$10,500,000
07/02/26
5
6.5
5,336
2600 Half Moon Walk, Naples, FL
0.53
Single-Family Home
$443,059
12/12/25
-
3,737
611 18th AVE S, Naples, FL
0.26
Single-Family Home
$6,550,000
09/01/26
4
5
4,311
651 21st AVE S, Naples, FL
0.13
Single-Family Home
$7,400,000
08/04/26
6
7.5
7,185
625 21st AVE S, Naples, FL
0.11
Single-Family Home
$18,250,000
08/21/26
5
6
6,585
3587 18th Ave SE, Naples, FL
0.22
Single-Family Home
$512,500
03/17/26
3
2
1,519
2170 Marina DR, Naples, FL
0.23
Single-Family Home
$5,950,000
04/24/26
5
5
5,362
500 15th AVE S, Naples, FL
0.43
Single-Family Home
$4,500,000
11/07/25
4
3.5
3,301
255 21st AVE S, Naples, FL
0.22
Single-Family Home
$12,000,000
01/05/26
5
5.5
5,288

Nearby home prices

Get a sense of expected prices in the area by checking the value of nearby homes.
Address
Distance
Price
Bed
Bath
Sqft
Status
2020 5th ST S, Naples, FL 34102
0.06
$10,400,000
-
-
-
For Sale
481 21st AVE S, Naples, FL 34102
0.04
$13,495,000
5
6
6,130
For Sale
421 21st AVE S, Naples, FL 34102
0.08
$5,200,000
-
-
-
Recently Sold
550 21ST AVE S, Naples, FL 34102
0.07
$5,495,000
4
4.5
3,982
For Sale
605 21st AVE S, Naples, FL 34102
0.09
$5,500,000
3
2
1,847
For Sale
1935 5th ST S, Naples, FL 34102
0.13
$18,495,000
5
6
6,457
For Sale
1979 4th ST S, Naples, FL 34102
0.12
$11,900,000
4
5.5
7,326
For Sale
625 21st AVE S, Naples, FL 34102
0.11
$18,250,000
5
6
6,585
Recently Sold
375 21st AVE S, Naples, FL 34102
0.11
$16,518,800
5
6
5,935
Off Market
1959 4th ST S, Naples, FL 34102
0.14
$10,500,000
5
6.5
5,336
Recently Sold
628 21st AVE S, Naples, FL 34102
0.12
$8,800,000
5
5
5,325
For Sale
1990 4th ST S, Naples, FL 34102
0.14
$7,259,100
4
3
2,423
Off Market

Local Information

  • Map ViewExplore the area around 515 21st Ave S.
  • Schools2 Preschool Schools1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Single-Family Home
Built in 1971
0.34 acre lot
3,147 sqft
$1,881/sqft

About this House

This single-family home is located at 515 21st Ave S, Naples, FL. 515 21st Ave S is in the Aqualane Shore neighborhood in Naples, FL and in ZIP code 34102. This property has approximately 3,147 sqft of floor space. This property has a lot size of 0.34 acres and was built in 1971.
515 21st Ave S, Naples, FL 34102 is a studio, 3,147 sqft single-family home in Aqualane Shore, built in 1971. It last sold for $658,571 on Apr 9, 1997. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $5,918,600.

Home Details for 515 21st Ave S

Interior Features

Levels, Entrance, & Accessibility
Stories: 1

Property Information

Year Built
Year Built: 1971Year Updated: 1971
Property Type / Style
Property Type: Single Family Home

Exterior Features

Exterior Home Features
Deck
Pool
Pool

Community

Units in Building: 1

Lot Information

Lot Area: 0.34 acres

Price and Tax history

DateEventPrice
Apr 9, 1997
Source: N/A
Sold
$658,571

Market trends in Naples

Last updated August 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$550K
$18.33KMoM
Sale-to-List Price
95.0%
0.1%MoM
Price per sq ft
$323
$9MoM
Available listings
4452
376MoM

Around this home

Neighborhood Overview

Aqualane Shore
See Local Highlights
Neighborhood stats provided by third party data sources.

What Locals Say about Aqualane Shore

At least 1 Trulia users voted on each feature.

  • 100 % Say there's wildlife

  • 100 % Say car is needed

  • 75 % Say neighbors are friendly

  • 67 % Say people would walk alone at night

  • 67 % Say yards are well-kept

  • 50 % Say there's holiday spirit

  • 33 % Say it's dog friendly

  • 33 % Say parking is easy

  • 33 % Say there are sidewalks

Sourced by Trulia users. Learn more about our methodology.

LGBTQ Local Legal Protections

Frequently asked questions about 515 21st Ave S

  • What is 515 21st Ave S estimated to be worth?
    Trulia's estimated value for 515 21st Ave S in Naples, FL is $5,918,600.
  • What is the price history for 515 21st Ave S?
    515 21st Ave S in Naples, FL last sold for $658,571 in April 1997.
  • Is Naples a buyer's or seller's market?
    Naples is currently a buyer's market, based on recent for-sale activity.
  • What's the median sale price in Naples?
    The median sale price in Naples is $550K. That is down $18.33K from the prior month.
  • Does 515 21st Ave S have a pool?
    Yes, 515 21st Ave S in Naples, FL has a pool.
  • How big is the lot at 515 21st Ave S?
    The lot at 515 21st Ave S in Naples, FL is about 0.34 acres (14,810 sq ft).

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Off Market Homes Near 515 21st Ave S

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