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9 MITCHELL DUNES LaneAmagansett, NY 11930

For Sale

$39,000,000

Smart Buyer Rebate $390,000

OCEANFRONT MANSION MASTERPIECE
YOUR 5-STAR OCEAN RESORT PARADISE AWAITS!!! Simply beyond compare, it will be love at first sight with this awe-inspiring 8,000 SF custom oceanfront mansion retreat on two magnificent acres with 200 feet of private oceanfront. An artistic masterpiece of modern architecture, combined with a world-class private beach, breathtaking ocean views, and cool Atlantic breezes provides the ultimate setting for luxurious living, relaxation, inspiration, and unmatched privacy.

Located off an exclusive private cul-de-sac lane, down a 400 foot-secluded drive, you are greeted with a contemporary masterwork of three extraordinary stories. majestically facing the Big Blue. You will be dazzled by the soaring 11 foot ceilings and floor-to-ceiling walls of glass throughout, affording amazing ocean panoramas. Surrounding the home is gorgeous landscaping with lush gardens, shrubbery and privacy trees creating a Zen setting. Not to mention over 4,000 square feet of spectacular new decking and exquisite glass railings.

Inside, you will fall in love with the unparalleled new renovation. Each room in this unrivaled home provides the ultimate private beach refuge including 7 enormous bedrooms, 9 new bathrooms, 2 tremendous living rooms, 2 unparalleled new kitchens, and 2 spectacular fireplaces. There is a new drop-dead gorgeous state-of-the-art kitchen facing the ocean that seats 18 -- perfect for grand-scale entertaining! This chef's dream includes a gigantic Sub Zero refrigerator and freezer, Wolf stove and microwave, Miele dishwasher, and water filtration system. Relax in the incredible media room or workout in the amazing gym, while your children play in the large playroom or fantastic new outdoor private swing set/play system with awesome playhouse. The luxurious two-car garage has a car charger, and there is a tremendous heated gunite ionized-water "healthy" pool with a dazzling large jacuzzi. You will love having two outdoor showers, an all-weather tennis court, over 4,000 SF of huge-wrap-around new decks on all three levels, two new built-in outdoor gas grills, skylights, and so much more. A private walkway to your magical backyard beach makes this the ultimate getaway of your dreams.

The upper floor features a dazzling living room facing the ocean with a gorgeous working fireplace and large skylights. Also on this level is the luxuriously large master suite that includes a gigantic marble master bathroom with Jacuzzi tub facing the ocean, two-person shower, sauna, and huge walk-in closet. The glassed-in new designer kitchen and dining room are simply outstanding, and there is also a fantastic media room. Children or guests will love the large guest bedroom that feels like a second master suite on the upper level, with new marble en-suite bathroom featuring double sinks.

The middle level includes a family room of grand proportion with a 75" TV and working fireplace right off the outstanding oceanfront pool with enormous deck and second glamorous new kitchen for entertaining by the pool along, in addition to a new powder room. There are four huge bedrooms on the floor, each with a stunning new marble en-suite bathroom and luxury fixtures. Your guests will feel pampered!

The first level features a fantastic gym, another large guest bedroom with new en-suite marble bathroom, a terrific playroom, and two-car garage with Electric Vehicle Car Charger.

This Rockstar custom home was designed and built by award-winning architect Bill Hayes. With three levels of glamorous, huge living and entertaining space, you will have your dream oceanfront oasis for your family and friends, offering the ultimate paradise of privacy and security.

Perfectly positioned on one of the most coveted and private beaches in the world in beautiful Amagansett, between the sophisticated town of East Hampton and the gorgeous natural environs of Montauk…your modernistic oceanfront castle, like no other in the Hamptons, beckons.

Listed by Carol E. Levy

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Carol E Levy

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212-580-7270

Last updated November 14, 2025

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Source: OneKey #934317

Listing Facts

  • TypeSingle-family
  • NeighborhoodNapeague
  • Bedrooms7
  • Bathrooms9
  • Days on Prevu6
  • HOA/Maint. Fees$1,500/annual
  • Taxes$36,000/year
  • Size8,000 sqft
  • Price per sqft$4,875

Amenities

  • Dishwasher
  • Private Outdoor Space
  • Washer/Dryer
  • Air Conditioning
  • Parking
  • Swimming Pool

Location

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Listing History

11/13/2025
Listed by Carol E Levy
$39,000,000

Property Details for 9 MITCHELL DUNES Lane

Association

Amenities

  • Association Amenities: Maintenance, Snow Removal, Tennis Court(s)
  • Community Features: Tennis Court(s)

Fees

  • Association Fee: $1,500.00 Annually
  • Association Fee Includes: Common Area Maintenance, Other, Sewer, Snow Removal

General

  • Association Name: THE TIDES HOMEOWNERS INC

Exterior

Construction

  • Property Condition: Updated/Remodeled
  • Window Features: Double Pane Windows, Floor To Ceiling Windows, Insulated Windows, New Windows, Oversized Windows, Screens, Skylight(s), Wall Of Windows
  • Year Built: 1994
  • Architectural Style: Modern
  • Construction Materials: Cedar
  • Exterior Features: Balcony, Basketball Hoop, Fire Pit, Gas Grill, Lighting, Other, Playground, Speakers, Tennis Court(s)

Features

  • Fencing: Back Yard, Other, Partial
  • Other Structures: Outdoor Kitchen
  • Patio And Porch Features: Covered, Deck, Wrap Around
  • Pool Features: In Ground, Other, Outdoor Pool, Pool/Spa Combo, Tile
  • Pool Private: Yes
  • Road Frontage Type: Private Road
  • View: Panoramic, Water
  • Waterfront Features: Ocean Front
  • Waterfront: Yes

Measurements

  • Building Area Total: 8,000
  • Building Area Units: Square Feet
  • Frontage Length: 200
  • Frontage Type: Private Road
  • Lot Features: Cul-De-Sac, Garden, Landscaped, Private, Secluded, Views, Waterfront
  • Lot Size Acres: 2.00
  • Lot Size Square Feet: 87,120

Financial

Taxes

  • Parcel Number: 5789601
  • Tax Annual Amount: $36,000.00
  • Tax Year: 2025

Interior

Features

  • Appliances: Cooktop, Dishwasher, Disposal, Electric Cooktop, Electric Oven, Electric Range, Electric Water Heater, ENERGY STAR Qualified Appliances, Exhaust Fan, Freezer, Humidifier, Microwave, Refrigerator, Tankless Water Heater, Washer, Geothermal Water Heater, Solar Hot Water, Water Purifier Owned, Water Softener Owned, Wine Refrigerator
  • Fireplace Features: Family Room, Gas, Living Room
  • Fireplaces Total: 2
  • Flooring: Hardwood, Other
  • Interior Features: Built-in Features, Cathedral Ceiling(s), Double Vanity, Eat-in Kitchen, Entertainment Cabinets, Entrance Foyer, Formal Dining, High Ceilings, High Speed Internet, His And Hers Closets, Kitchen Island, Natural Woodwork, Open Kitchen, Quartz/Quartzite Counters, Recessed Lighting, Sauna, Smart Thermostat, Soaking Tub, Sound System, Speakers, Storage, Walk-In Closet(s), Wired For Sound

Measurements

  • Living Area: 8,000
  • Living Area Source: Other

Rooms

  • Basement: Walk-Out Access
  • Has Basement: Yes
  • Bathrooms Full: 7
  • Bathrooms Half: 2
  • Bathrooms Total Integer: 9
  • Bedrooms Total: 7
  • Rooms Total: 15

Other

Features

  • Accessibility Features: Accessible Closets, Accessible Common Area, Accessible Doors, Accessible Entrance, Accessible For Hearing-Impairment, Accessible Full Bath, Accessible Hallway(s), Accessible Kitchen, Accessible Kitchen Appliances, Accessible Stairway, Adaptable Bathroom Walls, Adaptable For Elevator, Smart Technology, Therapeutic Whirlpool, Visitor Bathroom, Walker-Accessible Stairs

Location

  • Tax Block: 2
  • Tax Lot: 26.003

Parking

Parking

  • Garage Spaces: 2
  • Garage: Yes
  • Parking Features: Assigned
  • Parking Total: 15

Schools

Elementary School

  • Elementary School: Amagansett School
  • Elementary School District: Amagansett

High School

  • High School: East Hampton High School
  • High School District: East Hampton

Middle or Junior School

  • Middle Or Junior School: East Hampton Middle School
  • Middle Or Junior School District: East Hampton

Utilities

Equipment

  • Cooling: Central Air
  • Heating: Oil
  • Laundry Features: In Kitchen
  • Other Equipment: Generator, Intercom, Irrigation Equipment, Pool Equip/Cover
  • Sewer: Cesspool
  • Utilities: Cable Available, Electricity Available, Phone Connected, Propane, Sewer Connected, Trash Collection Private, Water Connected
  • Water Source: Public

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Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.