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Front exterior of a new home in , St. Petersburg, FL, highlighting curb appeal (Image 1).
Under construction
  • 4 bd
  • 4.5 ba
  • 3,850 sqft

7821 3Rd Ave S, St. Petersburg, FL 33707

$3,599,999

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  • Single-Family
  • Ready by February 2027
  • $935.06/sqft
  • Southwest facing

Home description

Pre-Construction | To Be Built | Causeway Isles Waterfront

Build your dream home on one of St. Petersburg’s most desirable open-water homesites in the heart of Causeway Isles.

Located at 7821 3rd Ave S, this exceptional property offers over 100 feet of deep saltwater frontage with a protected yacht slip suitable for vessels up to 80 feet. Enjoy expansive water views, peaceful surroundings, and unforgettable sunset skies overlooking Sunset Park—perfectly capturing the essence of waterfront living.

This prime location places you just minutes from downtown St. Pete, the beaches of Treasure Island, and direct access to the Intracoastal Waterway, making it ideal for both boating and everyday convenience.

A new seawall installed in May 2025 adds long-term value and confidence as you plan your future residence. The lot comfortably supports a custom home in the 3,850+ square foot range, allowing for a thoughtfully designed layout that embraces indoor-outdoor living.

A proposed concept features a 4-bedroom, 4.5-bath design with a private pool, outdoor kitchen, spacious covered lanai, and optional elevator. The architecture leans toward a modern coastal style, incorporating clean lines, natural light, and expansive glass to highlight the water views.

Neo Homes offers a full turnkey design-build approach, including:

Custom architecture and interior design

High-end, curated finish selections

Hurricane-rated construction built to Florida standards

A streamlined, start-to-finish building experience

This is an opportunity to create a personalized waterfront residence tailored to your lifestyle in a well-established boating community.

If you’ve been searching for a premium waterfront homesite in St. Petersburg, this property is truly worth exploring.

Note: Photos shown are from a previously completed home by Neo Homes and are intended to represent the quality, craftsmanship, and level of finishes available for this homesite.

Listed by Sheila Desautels, tampabay@tampabay.rr.com
PHIL DESAUTELS P.A., MLS TB8491647

Information last verified by Jome: Today at 9:23 PM (April 2, 2026)

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Estimated value based on Jome data, T&C apply

Home details

*Pricing and availability are subject to change.
Property status:
Under construction
Neighborhood:
Causeway Isles
Lot size (acres):
0.19
Size:
3,850 sqft
Stories:
1
Beds:
4
Baths:
4
Half baths:
1
Garage spaces:
2
Facing direction:
Southwest

Construction details

Completion Date:
February, 2027
Year Built:
2026

Home features & finishes

Construction Materials:
Wood FrameBlock
Cooling:
Ceiling Fan(s)Central Air
Flooring:
Hardwood Flooring
Foundation Details:
Slab
Garage/Parking:
GarageAttached Garage
Interior Features:
Ceiling-HighWalk-In Closet
Kitchen:
Wine RefrigeratorDishwasherOvenRefrigeratorDisposalConvection OvenCooktopKitchen Range
Laundry facilities:
Utility/Laundry Room
Property amenities:
BalconyPoolIrrigation
Rooms:
Primary Bedroom On MainFamily RoomOpen Concept FloorplanPrimary Bedroom DownstairsPrimary Bedroom Upstairs
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Utility information

Heating:
Water Heater, Central Heating, Tankless water heater
Utilities:
Electricity Available, Other

Neighborhood

Home address

7821 3Rd Ave S, St. Petersburg, FL 33707
Neighborhood:
Causeway Isles
County:
Pinellas
Zip Code:
33707
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Schools in Pinellas County School District

The home at 3Rd Ave S is supported by the Pinellas County School District, giving residents access to a consistent school progression. Younger children enroll at Pasadena Fundamental Elementary School, a public school teaching Elementary grades and situated 0.5 mi from the community. Azalea Middle School (Middle grades) lies approximately 1.9 mi away. Their educational journey culminates at St. Petersburg Collegiate High School, serving High grades within 1.2 mi and listing a rating of 10. This structure provides families with a clear local school pathway.
GreatSchools.org logo

GreatSchools’ Summary Rating calculation is based on 4 of the school’s themed ratings, including test scores, student/academic progress, college readiness, and equity. This information should only be used as a reference. Jome is not affiliated with GreatSchools and does not endorse or guarantee this information. Please reach out to schools directly to verify all information and enrollment eligibility. Data provided by GreatSchools.org © 2025

Places of interest

Experiencing the area around The home at 3Rd Ave S often involves visiting its Beach destinations. The region includes several such locations, with Anna Maria Island Beach appearing at a distance of about 16.7 mi. These spots serve as anchors within the broader community, appearing alongside other regional highlights. Collectively, these venues illustrate the spread of destinations across the St. Petersburg area.

Getting around

When considering a move to The home at 3Rd Ave S, understanding travel options is important for lifestyle planning. Walking conditions are rated Car-Dependent with a Walk Score of 13, which helps define the balance between driving and walking. The Bike Score of 42 (Somewhat Bikeable) provides further context on recreational or functional cycling opportunities. Transit connectivity is reflected in a Transit Score of 27, with 2 routes available nearby. This data helps outline commuting in and around St. Petersburg.
Walk score ®
13 /100
Car-Dependent
Bike score ®
42 /100
Somewhat Bikeable
Transit score ®
27 /100
Some Transit
2 nearby routes: 2 bus, 0 rail, 0 other

Air quality

Noise level

In St. Petersburg, Florida, environmental noise is tracked to provide objective data for residents. For The home at 3Rd Ave S, the recorded Noise Score is Active (Active). Breakdown metrics show traffic noise at Active and local sources at Active, with airport noise registering as Calm. This reporting establishes a clear record of noise measurements in St. Petersburg, Florida.
74
50Active100
Traffic noiseActive
Local sources noiseActive
Airports noiseCalm

A Soundscore™ rating is a number between 50 (very loud) and 100 (very quiet) that tells you how loud a location is due to environmental noise.

Natural hazards risk

Gaining insight into the regional environment is a key part of getting to know St. Petersburg. The available data for The home at 3Rd Ave S includes specific metrics derived from FEMA, which are designed to provide a neutral overview of the area's physical dynamics. By reviewing these standardized scores, prospective residents can better understand the variables that shape the local setting. Among the tracked conditions, Coastal flooding is listed with a score of 82.09 and a rating of Relatively Moderate. These numbers help frame the hazard considerations for this part of Florida in a neutral, factual manner, supporting informed awareness.
Riverine flooding59.6
Relatively Low
Wildfire70.1
Relatively Low
Hurricane99.7
Very High
Earthquake67.1
Relatively Low
Heat wave0.0
No Rating
Coastal flooding82.1
Relatively Moderate

Provided by FEMA

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Listed by Sheila Desautels, tampabay@tampabay.rr.com
PHIL DESAUTELS P.A., MLS TB8491647

Based on information submitted to the MLS GRID as of 10/21/2024 2:31 PM CDT. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Some IDX listings have been excluded from this website. Properties displayed may be listed or sold by various participants in the MLS. IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed. Use of the MLS GRID Data may be subject to an end user license agreement prescribed by the Member Participant’s applicable MLS if any and as amended from time to time. The Digital Millennium Copyright Act of 1998, 17 U.S.C. § 512 (the “DMCA”) provides recourse for copyright owners who believe that material appearing on the Internet infringes their rights under U.S. copyright law. If you believe in good faith that any content or material made available in connection with our website or services infringes your copyright, you (or your agent) may send us a notice requesting that the content or material be removed, or access to it blocked. Notices must be sent in writing by email to DMCAnotice@MLSGrid.com. The DMCA requires that your notice of alleged copyright infringement include the following information: (1) description of the copyrighted work that is the subject of claimed infringement; (2) description of the alleged infringing content and information sufficient to permit us to locate the content; (3) contact information for you, including your address, telephone number and email address; (4) a statement by you that you have a good faith belief that the content in the manner complained of is not authorized by the copyright owner, or its agent, or by the operation of any law; (5) a statement by you, signed under penalty of perjury, that the information in the notification is accurate and that you have the authority to enforce the copyrights that are claimed to be infringed; and (6) a physical or electronic signature of the copyright owner or a person authorized to act on the copyright owner’s behalf. Failure to include all of the above information may result in the delay of the processing of your complaint. Listing Information presented by local MLS brokerage: NewHomesMate LLC, DBA Jome (888) 545-5198

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Last checked Apr 2, 9:10 pm

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