171 Harbor Beach Road • Mount Sinai, NY 11766

$8,500.00 / Monthly Beds: 4 • Baths: 3 full • Sq. Feet: 2886 • MLS ID: 957524 • Subdivision:School Dist: Mount Sinai
Rare year round OR optional summer rental BEACHFRONT offering with direct private beach access and expansive panoramic Long Island Sound views! Bring your boat, kayaks & paddle boards! Only 66 Miles from Manhattan leaves you more time to relax!! This FULLY FURNISHED 4-bedroom, 3-bath home features a bright open layout with dramatic vaulted ceilings, skylights, large windows with non-stop water views and a gas fireplace. Flexible floor plan accommodates guests, work-from-home space, or extended living needs. New ducted HVAC system provides year-round comfort. Enjoy multiple outdoor living areas, including a spacious beach front deck ideal for entertaining and taking in water and spectacular sunset views. Additional features include a primary suite with a walk-in closet, loft bedroom with full bath, 2 more beds with shared hall bath on the main floor, open kitchen with breakfast bar, expansive open dining area/living room/sitting area with bar, a common area laundry room, circular driveway, and ample parking. Conveniently located near marinas, parks, restaurants, shopping, LIRR, ferry, Port Jefferson Village, Stony Brook University/Hospital, and major local amenities. Available May 1 as a yearly rental (utilities not incl), optional summer terms: 30 day stays May-Sept $20k/mo. incl utilities. Rental permit application submitted to the town; approval currently pending. View this listing at: http://www.laffey.com/lid=185021113

Property Features

  • Exterior: Frame
  • Special View Info: Water
  • Lot Size: 1.15 Acres
  • Heating: Electric,Forced Air,Heat Pump,Oil
  • Cooling: Central Air
  • Year Built: 1976
  • Fireplaces: 1
  • Water: Public
  • Sewer: Cesspool
  • Stories: 3.0
  • Furnished: Yes
  • On Market Date: 2026-03-11
  • Appliances: Dryer,Microwave,Range,Refrigerator,Washer
  • Basement: See Remarks
  • Building Area Total: 2400
  • House Faces: North
  • Exclusions: Garage, basement storage
  • Fencing: None
  • Fireplace Features: Gas,Living Room
  • Fireplace Y/N: Yes
  • Flooring: Carpet,Laminate
  • Frontage: 100 ft
  • Furnished: Furnished
  • Interior Features: Breakfast Bar,Cathedral Ceiling(s),Ceiling Fan(s),High Ceilings,Primary Bathroom,Recessed Lighting,Walk-In Closet(s)
  • Laundry: Common Area
  • Parcel Number: 0200-008-00-01-00-022-000
  • Parking Features: Driveway
  • Patio And Porch: Deck
  • Pets Allowed: Call
  • Rental Term: Monthly
  • Rent Includes: Trash Collection
  • Rooms Total: 10
  • Security Features: Video Cameras
  • Skylight: Y
  • Utilities: Electricity Connected,Sewer Connected,Trash Collection Public,Water Connected
  • Waterfront Features: Beach Access,Beach Front,Sound,Water Access,Waterfront
  • Beach Rights: Y
  • Window Features: Double Pane Windows,Floor to Ceiling Windows,Skylight(s)

School Information

  • High School: ROBERT M GRABLE JR MOUNT SINAI HIGH SCHOOL
  • Middle School: Mt Sinai Middle School
  • Elementary School: Mt Sinai Elementary School
  • School District: Mount Sinai
Printed March 15, 2026


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