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$3,599,999

  • For Sale
  • Active
  • Single Family
  • 5 Beds
  • 5 Full Baths
  • 1 Partial Bath
  • 3,850 Sq. Ft.
  • Updated 4 days ago
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Pre-Construction. To be built. A Rare Waterfront Opportunity - Available to Be Built A rare opportunity to build in Causeway Isles at 7821 3rd Ave S, St. Petersburg, FL 33707. Envision 3,850 SF of modern living with breathtaking views of downtown St. Pete, set on 100 feet of deep saltwater frontage-perfect for boating, sunsets, and seamless indoor-outdoor entertaining. This tropical modern residence is thoughtfully designed with 5 bedrooms, 5 bathrooms, a resort-style pool and spa, outdoor kitchen, optional private elevator, and all hurricane-rated materials. Featuring top-tier finishes and a brand-new seawall, this home delivers the ultimate Florida waterfront lifestyle-to be built. Note - Photos are from another home that the builder recently built and are merely representative of what we can build together on this lot!

Full Property Details for 7821 3rd Ave S

General

  • Price: $3,599,999
  • Taxes: (2026)
  • Status: Active
  • Type: Single Family
  • Source: MidFloridaRegionalMLS
  • MLS ID: TB8461977
  • Updated: 1/13/2026
  • Added to Site: 10 day(s) ago

Interior

  • Number of Rooms: 8
  • Interior Features: Ceiling Fan(s), High Ceilings, Primary Bedroom Main Floor, PrimaryBedroom Upstairs, Walk-In Closet(s)
  • Appliances: Convection Oven, Cooktop, Dishwasher, Disposal, Range Hood, Refrigerator, Tankless Water Heater, Wine Refrigerator
  • Furnishings: Unfurnished
  • Flooring: Engineered Hardwood

Rooms

Bathrooms

  • Total Bathrooms: 6
  • Full Bathrooms: 5
  • Half Bathrooms: 1

Bedrooms

  • Total Bedrooms: 5

Other Rooms

  • Laundry: Laundry Room

Additional Information

  • Pool: Yes
  • Private Pool: Yes
  • Pool Description: In Ground

Exterior

  • Exterior Features: Balcony, Irrigation System

Parking

  • Garage: Yes
  • Attached garage: Yes
  • Garage Spaces: 3
  • Covered Spaces: 3

Location

  • Area: 33707 - St Pete/South Pasadena/Gulfport/St Pete Bch
  • County: Pinellas
  • Development Name: 33707 - St Pete/South Pasadena/Gulfport/St Pete Bch
  • Subdivision: SOUTH CSWY ISLE 3RD ADD
  • Driving Directions: Take I-275 S toward St. Petersburg Continue over the Howard Frankland Bridge Take Exit 22 for 66th St S Turn right (south) onto 66th St S Drive about 1.5 miles Turn right (west) onto 3rd Ave S Enter Causeway Isles 7821 3rd Ave S is on the right, directly on the water
  • Direction Faces: Southwest

Community

  • Community Name: 33707 - St Pete/South Pasadena/Gulfport/St Pete Bch

Heating & Cooling

  • Cooling Type: Central Air
  • Heating Type: Central

Utilities

  • Sewer: Public Sewer
  • Water: Public
  • Utility Description: Electricity Available

Structural Information

  • Approx Compl Date: 2027-02-28T05:00:00.000Z
  • Exterior Const.: Block
  • Roof: Other
  • Stories/Levels: Two
  • Square Feet: 3,850
  • Sq. Ft. Source: Builder
  • Year Built: 2026

Lot Features

  • Lot Size (Acres): 0.19
  • Lot Size (Sq. Ft.): 8,459
  • Lot Size: 8459
  • Lot Dimensions: 87 x 100
  • Street/Road Desc.: Asphalt

Water Features

  • Water Front: Yes
  • Water Access: Yes
  • Water Access Desc: Freshwater Canal w/Lift to Saltwater Canal
  • Water Extras: Yes
  • Water Front Desc.: Freshwater Canal w/Lift to Saltwater Canal

Financial Considerations

  • CDD: Yes
  • Tax Year: 2026

Disclosures and Reports

  • Ownership: Fee Simple
  • Special Conditions: None
  • Legal Description: SOUTH CAUSEWAY ISLE 3RD ADD BLK 9, LOT 12
  • Flood Zone Info: AE
  • APN: 243115840420090120
  • Property ID: 243115840420090120
  • Block/Lot/Section: 9

Listed by Phil Desautels P.A.

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Listing agent

— 7821 3rd Ave S —

  • Phil Desautels P.A.

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 7821 3rd Ave S

School District:Pinellas County School District
NameGradesDistance
Azalea Elementary School
1680 74th St N, St. Petersburg, FL 33710
PK-51.5 mi
Azalea Middle School
7855 22nd Ave N, St. Petersburg, FL 33710
6-81.8 mi
Boca Ciega High School
924 58th Street South, Gulfport, FL 33707
9-122.2 mi
Disclaimer: School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 7821 3rd Ave S Get Price Alerts and Save Property

Date
Details
Price
Change
Source
1/07/2026
Listed
$3,599,999
355.12%
MLS
11/08/2024
Sold
$791,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 7821 3rd Ave S

Year
Property Taxes
Change
Tax Assessment
Change
2025
$13,393
185%
$672,350
138%
2024
$4,695
2%
$283,094
3%
2023
$4,614
2%
$274,849
7%
2021
$4,513
1%
$257,184
-3%
2022
$4,454
-1%
$264,900
4%
2021
$4,513
2%
$253,633
2%
2019
$4,431
1%
$247,931
2%
2018
$4,366
1%
$243,308
2%
2017
$4,321
1%
$238,304
2%
2016
$4,277
-1%
$233,403
1%
2015
$4,336
1%
$231,781
1%
2014
$4,312
1%
$229,941
1%
2013
$4,281
—
$226,543
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

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*These costs are estimates, and the interest rates assume exceptional credit standing.

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with our affiliated lender
NMLS#: 1598647

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Listed by Phil Desautels P.A.

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7821 3rd Avenue S, Saint Petersburg, FL 33707 (MLS# TB8461977) is a Single Family property with 5 bedrooms, 5 full bathrooms and 1 partial bathroom. 7821 3rd Avenue S is currently listed for $3,599,999 and was received on January 07, 2026. Want to learn more about 7821 3rd Avenue S? Do you have questions about finding other Single Family real estate for sale in Saint Petersburg? You can browse all Saint Petersburg real estate or contact a Coldwell Banker agent to request more information.

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