831 SIESTA DRIVE, Siesta Key, FL, 34242 | $5,100,000

Pre-Construction. To be built. PROPOSED 4, 250 SQ. FT. CUSTOM RESIDENCE . BUILD-TO-SUIT opportunity to create a bespoke coastal home with flexibility to tailor architecture, layout, finishes, and scale to a refined lifestyle. Located on Bay Island at the gateway to Siesta Key, 831 Siesta Drive offers a rare 0. 386-acre triangular parcel with privacy, presence, and elevated potential to capture Sarasota Bay light and breezes. PROPERTY FEATURES . Over 276 feet of Siesta Drive frontage and a wide rear building envelope ideal for refined architecture, indoor-outdoor living, elevated terraces, and a resort-style pool amid tropical landscaping. LOCATION Seamless access to the mainland just over the bridge, moments from Siesta Beach, and surrounded by established luxury estates on Bay Island. THE OPPORTUNITY . Create a signature residence in one of Siesta Key’s most discreet, accessible enclaves; land-only or BUILD-TO-SUIT options available (see separate vacant land listing). YOUR NEXT CHAPTER  Delivered by J&C Premier Builders, known for design-driven custom homes including 519 Rountree Drive, Longboat Key, where craftsmanship and understated luxury meet.

Features

  • Elevator: Y
  • Rooms: 6
  • Bedrooms: 5
  • Baths: 4 full / 1 half
  • Lot Size: 276.85 ft(front) × 137.74 ft
  • Laundry: Inside, Other
  • Year Built: 2026
  • Garage: 2-car
  • Heating: Central
  • Cooling: Central Air
  • Approx Sq. Feet: 4,250
  • Acreage: 0.39
  • Lot Size: 276.85 ft(front) × 137.74 ft
  • Est. Taxes: $12,316
  • Lot Desc: Irregular Lot, Oversized Lot
  • Elem. School: Phillippi Shores Elementary
  • Middle School: Brookside Middle
  • High School: Sarasota High
  • Pool: Gunite, Heated, Salt Water
  • Pet Policy: Yes
  • Appliances: Bar Fridge, Built-In Oven, Convection Oven, Cooktop, Dishwasher, Disposal, Dryer, Exhaust Fan, Freezer, Gas Water Heater, Ice Maker, Kitchen Reverse Osmosis System, Range Hood, Refrigerator, Tankless Water Heater, Wine Refrigerator
  • MLS#: A4674955
  • Days on Market: 20 days
  • Website: https://www.raveis.com
    /eprop/A4674955/831siestadrive_siestakey_fl?source=qrflyer
This information is deemed reliable, but not guaranteed. The data relating to real estate displayed on this Site comes in part from the IDX Program of MFRMLS (My Florida Regional MLS DBA Stellar MLS). The information being provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. (last updated 1/12/2026 2:01:14 AM)
Listing courtesy of IRVING GROUP INC   Phone: 305-900-2100

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Melissa CohnRVP, Mortgage Banker, William Raveis Mortgage, LLC

NMLS Mortgage Loan Originator ID 16953

917.838.7300

Melissa.Cohn@raveis.com

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Our Insurance Division:

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831 SIESTA DRIVE, Siesta Key, FL, 34242

$5,100,000

Customer Service

William Raveis Real Estate

Phone: 888.699.8876

Contact@raveis.com

Melissa Cohn

RVP, Mortgage Banker

William Raveis Mortgage, LLC

Phone: 917.838.7300

Melissa.Cohn@raveis.com

NMLS Mortgage Loan Originator ID 16953

5/6 (30 Yr)
Adjustable Rate Jumbo*
30 Year
Fixed-Rate Jumbo
15 Year
Fixed-Rate Jumbo
Loan Amount $4,080,000 $4,080,000 $4,080,000
Term 360 months 360 months 180 months
Initial Interest Rate** 5.500% 6.000% 5.750%
Interest Rate based on Index + Margin 8.125%
Annual Percentage Rate 6.241% 6.110% 5.972%
Monthly Tax Payment $1,026 $1,026 $1,026
H/O Insurance Payment $125 $125 $125
Initial Principal & Interest Pmt $23,166 $24,462 $33,881
Total Monthly Payment $24,317 $25,613 $35,032

* The Initial Interest Rate and Initial Principal & Interest Payment are fixed for the first and adjust every six months thereafter for the remainder of the loan term. The Interest Rate and annual percentage rate may increase after consummation. The Index for this product is the SOFR. The margin for this adjustable rate mortgage may vary with your unique credit history, and terms of your loan.

** Mortgage Rates are subject to change, loan amount and product restrictions and may not be available for your specific transaction at commitment or closing. Rates, and the margin for adjustable rate mortgages [if applicable], are subject to change without prior notice.

The rates and Annual Percentage Rate (APR) cited above may be only samples for the purpose of calculating payments and are based upon the following assumptions: minimum credit score of 740, 20% down payment (e.g. $20,000 down on a $100,000 purchase price), $1,950 in finance charges, and 30 days prepaid interest, 1 point, 30 day rate lock. The rates and APR will vary depending upon your unique credit history and the terms of your loan, e.g. the actual down payment percentages, points and fees for your transaction. Property taxes and homeowner's insurance are estimates and subject to change.