4315 MANGROVE PLACE, Siesta Key, FL, 34242 | $14,500,000

Private Island, Gated Home, Private access to deeded beach!

Experience the epitome of exclusivity with unheard of waterfront views, unmatched privacy, and breathtaking, expansive vistas from your own private island retreat. Tucked away on a private island in Siesta Key’s South Cocoanut Bayou, this Tuscan-inspired estate feels like it’s been plucked from the pages of a storybook. The estate at 4315 Mangrove Place features a Tuscan-inspired central courtyard with over 4000 sq ft designed as the heart of the home. It is a grand, open-air courtyard enclosed by both the main residence and the guest villa, connected via an elegant, covered breezeway.
The main residence offers soaring ceilings, intricate millwork, and expansive living spaces ideal for entertaining or quiet coastal living. A gourmet chef’s kitchen, formal dining room, library, owner ensuite located on the main level with his & hers walking closets and bathrooms, and custom home theater create a balanced blend of function and indulgence, Elevator in main residence & private elevator in guest house.
Connected by a covered breezeway, the guest villa features its own living quarters, private elevator, one bedroom, full bathroom, living room and full kitchen—perfect for multigenerational living or extended guests.
With six bedrooms, nine baths, a three-car garage, and an ambiance that feels like a timeless escape, this estate is more than a home—it's a legacy, a retreat, a living Castle fairytale.
Outdoors, a resort-style pool and spa, and lush tropical landscaping create a serene oasis, while a private deep-water dock provides direct access to the Intracoastal and Gulf with no fixed bridges. Eligible to membership to private beach.

Features

  • Rooms: 13
  • Bedrooms: 6
  • Baths: 6 full / 3 half
  • Laundry: Inside, Laundry Room
  • Style: Custom
  • Year Built: 2005
  • Garage: 3-car Circular Driveway, Driveway, Garage Door Opener, Garage Faces Rear, Garage Faces Side, Guest, Oversized, Parking Pad, Portico
  • Heating: Central
  • Cooling: Central Air, Zoned
  • Approx Sq. Feet: 7,535
  • Acreage: 0.61
  • Est. Taxes: $45,063
  • HOA Fee: $1,000 Annually
  • Lot Desc: Corner Lot, Cul-De-Sac, FloodZone, In County, Key Lot, Level, Oversized Lot, Street Dead-End
  • View: Water
  • Elem. School: Phillippi Shores Elementary
  • Middle School: Brookside Middle
  • High School: Sarasota High
  • Pool: Above Ground, Auto Cleaner, Heated, Salt Water
  • Pet Policy: Yes
  • Appliances: Dishwasher, Disposal, Dryer, Microwave, Range, Range Hood, Refrigerator, Washer
  • MLS#: A4659292
  • Days on Market: 249 days
  • Website: https://www.raveis.com
    /eprop/A4659292/4315mangroveplace_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 3/26/2026 4:33:31 AM)

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Kate RockettRVP, Mortgage Banker, William Raveis Mortgage, LLC

NMLS Mortgage Loan Originator ID 1500191

617.281.4872

Kate.Rockett@raveis.com

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4315 MANGROVE PLACE, Siesta Key, FL, 34242

$14,500,000

Hickman - Coen Home Team

Sales Associates

William Raveis Real Estate

Phone: 617.416.8173

Hickman-CoenHomeTeam@raveis.com

Kate Rockett

RVP, Mortgage Banker

William Raveis Mortgage, LLC

Phone: 617.281.4872

Kate.Rockett@raveis.com

NMLS Mortgage Loan Originator ID 1500191

5/6 (30 Yr)
Adjustable Rate Jumbo*
30 Year
Fixed-Rate Jumbo
15 Year
Fixed-Rate Jumbo
Loan Amount $11,600,000 $11,600,000 $11,600,000
Term 360 months 360 months 180 months
Initial Interest Rate** 5.875% 6.250% 6.000%
Interest Rate based on Index + Margin 8.125%
Annual Percentage Rate 6.289% 6.361% 6.203%
Monthly Tax Payment $3,755 $3,755 $3,755
H/O Insurance Payment $125 $125 $125
Initial Principal & Interest Pmt $68,618 $71,423 $97,887
Total Monthly Payment $72,498 $75,303 $101,767

* 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.  The Total Monthly Payment does not include the estimated HOA/Common Charge payment.