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For Sale

471 Southport Street Ronkonkoma, NY 11779

$999,888

Listed September 23, 2026

Listing courtesy of Robert J. Gellert SRES, Century 21 Shared Purpose MLS #KEY1055112

  • 7Bedrooms
  • 4Bathrooms
  • 4,683Square feet
  • $214Per square foot
  • 2005Year built

About this home

Rare Scale, Space & Flexibility in Ronkonkoma. Owner-built in 2005 and being offered for its first sale since construction, this oversized 0.63-acre Ronkonkoma property delivers rare scale, volume, and versatility. 471 Southport Street features 10-foot ceilings, abundant natural light, central HVAC, and quality construction details including 6-inch walls. The layout supports today’s need for space, privacy, dedicated work areas, and room to spread out. The main and second levels offer 5 bedrooms and 3 full baths, with expansive living and dining areas designed for daily comfort and entertaining. The spacious kitchen features a center island, breakfast area, granite counters, stainless steel appliances, and access to the deck and deep backyard with room for outdoor enjoyment, recreation, or future improvements. Upstairs, the oversized 25'3" x 25' bonus room provides exceptional flexibility as a family room, media lounge, playroom, gym, home office, or potential reconfiguration opportunity, subject to proper approvals. The primary bedroom features tray ceilings, a walk-in closet, and a generous feel. A major value-add, the lower level includes a legal accessory area per CO with 2 bedrooms, full bath, kitchen, and separate entrance — ideal for extended household living and lifestyle flexibility. Buyer to verify intended use. With approximately 4,683 sq ft total per provided floor plan, a two-car garage with extra-wide bays, garage sink, basement access, and driveway parking for up to 8 cars, this home offers a rare combination of interior scale, lot size, and adaptability. Come experience the ceiling height, light, and scale in person — this one truly lives large.

Description supplied by the listing broker.

Features

  • Eat-in Kitchen

Property details

Interior

Attic
Full
Levels
Three Or More
Appliances
Dishwasher, Electric Range, Microwave, Refrigerator

Systems and utilities

Heating
Baseboard
Cooling
Central Air
Utilities
Cable Connected, Electricity Connected
Water
Public

Exterior and lot

Construction
Vinyl Siding
Architectural style
Colonial
Parking
Driveway
Lot dimensions
138 x 200

Tax and legal

Tax lot
22.001
Tax block
3
Tax section
84
MLS district
500
Listing agreement
Exclusive Right To Sell

Property details supplied by the listing broker through OneKey MLS, as of September 24, 2026. Fields not shown were not supplied and should not be read as absent from the property.

This listing

  1. September 23, 2026 Listed at $999,888

Location

471 Southport Street, Ronkonkoma, NY 11779

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