2100 Park Avenue, Mattituck, NY

$5,750,000

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5

Beds

4

Baths

4,419

Square feet

About 2100 Park Avenue

Welcome to a unique luxury waterfront estate, perfectly situated overlooking the Peconic Bay, with stunning views of Robin's Island and the Hamptons. With over 100 feet of sandy beach and surf, this custom-built residence features a guest house on the property, a lower-level waterside sun deck, and a covered mahogany porch. It's an ideal spot for early sunrises, enjoying the bay breeze, or admiring the beautifully landscaped lawn leading to the water's edge. The main house boasts premium finishes, fixtures, and detailed woodwork throughout. The open floor plan offers both elegance and comfort, flooded with natural light. New coffered ceilings, accented by reclaimed wood beams, provide architectural detail. The living room and formal dining room are anchored by a gas fireplace, which features built-in shelving and seating designed to maximize water views. The home is professionally decorated in a style that embodies a coastal lifestyle. The gourmet kitchen is equipped with high-end appliances, pearl white quartz countertops, custom cabinetry, a walk-in pantry, and a center island accented by a decorative reclaimed wood ceiling that defines the space. The main floor primary suite offers spectacular water views and private porch access. Its spa-inspired bathroom features double sinks, a soaking tub, and a beautifully tiled shower with bench seating. The suite also includes ample storage and a walk-in closet. Upstairs, you'll find two beautifully appointed bedrooms, a full bath, a bonus room, and two additional finished spaces suitable for storage or to be transformed into a gym, office, or recreation room. The guest house is also tastefully designed and well-equipped. It includes a retro eat-in kitchen, two charming bedrooms, a spacious living room with a wood-burning fireplace, quaint wood floors, a full bath, and on-site laundry. The outdoor bluestone patio is surrounded by lush greenery, creating a lovely ambiance for entertaining and al fresco dining. The property features mature, manicured landscaping and ample space for a water-facing pool or tennis court. Experience all that the North Fork and East End have to offer, conveniently located near the charming Love Lane, known for its delightful shopping and restaurant options, vineyards, and farm stands.

Features of 2100 Park Avenue

MLS® # 913407
Price $5,750,000
Bedrooms 5
Bathrooms 4.00
Full Baths 3
Half Baths 1
Internal Footage 4,419
Square Footage 58806
Acres 0.00
Year Built 2002
Type Residential
Sub-Type Single Family Residence
Style Mini Estate
Status Active

Community Information

Address 2100 Park Avenue
City Mattituck
County Suffolk County
State NY
Zip Code 11952

Amenities

Utilities See Remarks
Parking Attached, Garage, Private
# of Garages 2
View Water
Is Waterfront Yes
Waterfront Beach Access, Beach Front, Waterfront
Has Pool No

Interior

Interior Hardwood
Interior Features Eat-in Kitchen, Entrance Foyer, Formal Dining, Master Downstairs, Primary Bathroom, Walk-In Closet(s)
Appliances Oil Water Heater
Heating Forced Air, Oil
Cooling Central Air
Fireplace Yes
# of Fireplaces 2
Fireplaces Gas, Wood Burning
Has Basement Yes
Basement Unfinished

Exterior

Lot Description Sprinklers In Front, Sprinklers In Rear
Construction Cedar, Frame, Shingle Siding

School Information

District Mattituck-Cutchogue
Elementary Mattituck-Cutchogue Elementary Sch
Middle Mattituck Junior-Senior High School
High Mattituck Junior-Senior High School

Additional Information

Date Listed September 18th, 2025
Days on Market 26
Short Sale No
RE / Bank Owned No

Listing Details

Listing Provided Courtesy ofDouglas Elliman Real Estate
Contact Info631-288-6244

Listing Map

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