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50 O'Connell CourtGreat River, NY 11739

For Sale

$1,400,000

Smart Buyer Rebate $14,000

This extraordinary home offers the perfect balance of timeless elegance and modern comfort. A dramatic tower, Juliet balcony, and vaulted ceilings set the stage for architectural distinction, while a soaring foyer leads to the grand living and dining hall with gas fireplace, flanked by beautiful stained glass panels. Renovated in 2016, this 3000sqft+ home features high-end millwork, a stunning and spacious gourmet eat-in kitchen, powder room, delightful sunroom with stairs to the basement and geothermal heating & A/C. Upstairs you'll discover an exquisite primary suite with walk-in closet and spa-like bathroom with laundry, 2 additional bedrooms, a Tower Room, luxurious shared bath and a beamed-ceiling den. Outdoors, enjoy a peaceful stone patio with koi pond, outdoor entrance to basement with full bath, laundry and storage, entertainer’s deck with gas hook-up, pergola seating area and hot tub, crowned by a charming artist’s cottage—all surrounded by lush, professionally landscaped grounds with 12 zones of sprinklers. Nestled on a Cul-du-sac, this home offers beauty, privacy, and tranquility. This is your rare opportunity to own a true architectural gem in picturesque Great River.

Listed by Colleen K. Colasacco PSA

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Daniel Gale Sothebys Intl Rlty

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631-647-7013

Last updated October 23, 2025

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Source: OneKey #919450

Listing Facts

  • TypeSingle-family
  • NeighborhoodGreat River
  • Bedrooms3
  • Bathrooms4
  • Days on Prevu17
  • Taxes$20,360.21/year
  • Size3,076 sqft
  • Price per sqft$455

Amenities

  • Dishwasher
  • Private Outdoor Space
  • Washer/Dryer
  • Parking

Location

Mortgage Calculator

Listing History

10/06/2025
Listed by Daniel Gale Sothebys Intl Rlty
$1,400,000

Property Details for 50 O'Connell Court

Exterior

Construction

  • Window Features: Skylight(s), Wall Of Windows
  • Year Built: 1893
  • Architectural Style: Colonial
  • Construction Materials: Frame, Stucco
  • Exterior Features: Juliet Balcony

Features

  • Other Structures: Outbuilding
  • Patio And Porch Features: Deck, Patio

Measurements

  • Building Area Total: 3,588
  • Building Area Units: Square Feet
  • Lot Features: Landscaped
  • Lot Size Acres: 0.49
  • Lot Size Square Feet: 21,344

Financial

Taxes

  • Parcel Number: 0500-401-00-03-00-027-008
  • Tax Annual Amount: $20,360.21
  • Tax Year: 2025

Interior

Features

  • Appliances: Dishwasher, Dryer, Gas Range, Microwave, Refrigerator, Stainless Steel Appliance(s), Washer, Geothermal Water Heater, Wine Refrigerator
  • Fireplace Features: Gas
  • Fireplace: Yes
  • Fireplaces Total: 1
  • Flooring: Hardwood
  • Interior Features: Beamed Ceilings, Built-in Features, Cathedral Ceiling(s), Chefs Kitchen, Crown Molding, Double Vanity, Eat-in Kitchen, Entrance Foyer, High Ceilings, Marble Counters, Pantry, Primary Bathroom
  • Spa: Yes

Measurements

  • Living Area: 3,076
  • Living Area Source: Public Records

Rooms

  • Basement: Full, Storage Space, Walk-Out Access
  • Has Basement: Yes
  • Bathrooms Full: 3
  • Bathrooms Half: 1
  • Bathrooms Total Integer: 4
  • Bedrooms Total: 3
  • Rooms Total: 11

Parking

Parking

  • Parking Features: Driveway

Schools

Elementary School

  • Elementary School: Timber Point Elementary School
  • Elementary School District: East Islip

High School

  • High School: East Islip High School
  • High School District: East Islip

Middle or Junior School

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

Utilities

Equipment

  • Cooling: Geothermal
  • Heating: Geothermal, Oil, See Remarks
  • Laundry Features: Laundry Room
  • Sewer: Cesspool
  • Utilities: Cable Connected, Electricity Connected, Natural Gas Connected, Water Connected
  • Water Source: Public

The data relating to real estate for sale on this website comes in part from the IDX Program of OneKey™ MLS. The source of the displayed data is either the property owner or public record provided by non-governmental third parties. It is believed to be reliable but not guaranteed. This information is provided exclusively for consumers’ personal, non-commercial use. Information Copyright 2025, OneKey™ MLS. All Rights Reserved.

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.