7821 3RD AVENUE S St Petersburg, FL $ 3,599,999
7821 3RD AVENUE S
$ 3,599,999
Recently Listed New Construction
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7821 3RD AVENUE S

St Petersburg, FL, 33707
$ 3,599,999
Bedrooms5 Baths5.1 Sq 3,850

Monthly Estimate*

$ 22,166

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Single Family Home for sale in St Petersburg, FL

for $3,599,999 with 5 bedrooms and 5 full baths, 1 half bath. This 3,850 square foot home was built in 2026 on a lot size of 0.19.

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!

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Single Family Active

Price

$ 3,599,999

Bedrooms

5

Full Bath

5

Half Bath

1

Property Type

Single Family

Taxes

$ 0

Style

Single Family Residence

Lot Size

0.19

Year Built

2026

Town/City

St Petersburg

County/Region

Pinellas

MLS | Web ID

TB8461977

Features
General
Sewer Public Sewer
Heating Central
Cooling Central Air
Utilities Electricity Available
Roof Other
Appliances Convection Oven Cooktop Dishwasher Disposal Range Hood Refrigerator Tankless Water Heater Wine Refrigerator
Garage Spaces 3
Pool Features In Ground
Construction Materials Block
Year Built 2026
Levels Two
Property Subtype Single Family Residence
Tax Year 2026
Ownership Fee Simple
Waterfront Features Freshwater Canal w/Lift to Saltwater Canal
County Pinellas
New Construction true
Property Type Residential
Attached Garage true
Subdivision Name SOUTH CSWY ISLE 3RD ADD
Facing Direction Southwest
Garage Y/N true
Total Rooms 8
Full Baths 5
Status Active
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
City ST PETERSBURG
Senior Community Y/N false
MLS Area 33707 - St Pete/South Pasadena/Gulfport/St Pete Bch
Lot Size Units Square Feet
Lot Size Square Feet 8459
Carport Y/N false
Land Lease Y/N true
Tax Annual Amount 0
Property Condition Pre-Construction
Additional Parcels Y/N false
Lease Considered Y/N false
Virtual Tour https://www.propertypanorama.com/instaview/stellar/TB8461977
Building Area Units Square Feet
Living Area Units Square Feet
Standard Status Active
Occupancy Type Vacant
TaxOtherAnnualAssessmentAmount 0
Tax Lot 12
Legal Description SOUTH CAUSEWAY ISLE 3RD ADD BLK 9 LOT 12
Water View Intracoastal Waterway
Water Access Type Freshwater Canal w/Lift to Saltwater Canal
Water Access Y/N true
Water View Y/N true
Flood Zone Code AE
DockY/N true
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Interior
Interior Amenities Ceiling Fan(s) High Ceilings Primary Bedroom Main Floor PrimaryBedroom Upstairs Walk-In Closet(s)
Flooring Engineered Hardwood
Furnished Y/N Unfurnished
Total Stories 1
Air Conditioning Y/N true
Heating Y/N true
Fireplace Y/N false
Half Baths 1
Laundry Features Laundry Room
Total Bedrooms 5
Total Baths 6
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Exterior
Exterior Amenities Balcony Irrigation System
Water Source Public
Lot Size Area 8459
Foundation Details Slab
Building Area Total 4000
Lot Dimensions 87 x 100
Lot Size Acres 0.19
Road Surface Type Asphalt
Private Pool true
Waterfront Y/N true
Covered Spaces 3
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* Excluded Features
List By
Phil Desautels P.A.

Broker

tampabay@tampabay.rr.com

Email

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$22,166
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$22,166
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Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
4827338 Elementary School
4827337 Middle School
Unknown High School High School
Pricing History
DatePricePrice ChangeDescription
1/13/2026$3,599,999 Listed Price

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7821 3RD AVENUE S, St Petersburg, FL, 33707 is a Single Family Home for sale at $3,599,999 with 3,850 sqft and a lot size of 0.19. 7821 3RD AVENUE S has 5 bedrooms, 5.1 baths, and was built in 2026. The property's zip code is 33707 which is in St Petersburg, FL