20 Greenwich Avenue, Bayville, NY 11709

Local realty services provided by:Better Homes and Gardens Real Estate Green Team
20 Greenwich Avenue,Bayville, NY 11709
$1,988,000
Virtual Tour
  • 5 Beds
  • 4 Baths
  • 3,558 sq. ft.
  • Single family
  • Active
Upcoming open houses
  • Sat, Oct 11
    11:00 am - 01:00 pm
Listed by:lorna j. mann cbr
Office:douglas elliman real estate
MLS#:848638
Source:OneKey MLS

Price summary

  • Price:$1,988,000
  • Price per sq. ft.:$558.74

About this home

OPEN HOUSE BY APPOINTMENT ONLY Call agent. Sunrise, Sunset — Your Beachside Oasis Awaits Step outside your living room onto one of Long Island Sounds highest scoring beaches for water quality. Wake up to beautiful water views and wind down with stunning sunsets from your private bedroom balcony in this spacious and versatile beach home. With 5 bedrooms, 3.5 baths, and over 3,500 square feet. This LEGAL TWO-FAMILY duplex offers incredible FLEXIBILITY — perfect for a large family, MULTI-GENERATIONAL living, a dedicated guest suite with its own full kitchen, washer, and dryer, or a legal accessory apartment. Inside, enjoy a blend of comfort and style with ceramic flooring on the first level, hardwood upstairs, recessed lighting throughout, and multiple skylights that flood the space with natural light. A rebuilt stone front facade, first layer roof (2012) and emergency generator add both charm and peace of mind. Step outside to a private side patio with a new hot tub, built-in bar

Contact an agent

contact an agent

Yes, I would like more information from BHGRE®. Please use and/or share my information with an BHGRE affiliated agent to contact me about my real estate needs. By clicking Send message, I agree an BHGRE affiliated agent may contact me by phone or text message including by automated means about real estate services, and that I can access real estate services without providing my phone number. I acknowledge that I have read and agree to theTerms of useandPrivacy notice

Home facts

  • Year built:1948
  • Listing ID #:848638
  • Added:170 day(s) ago
  • Updated:October 11, 2025 at 05:44 PM

Rooms and interior

  • Bedrooms:5
  • Total bathrooms:4
  • Full bathrooms:3
  • Half bathrooms:1
  • Living area:3,558 sq. ft.

Heating and cooling

  • Cooling:Central Air
  • Heating:Baseboard

Structure and exterior

  • Year built:1948
  • Building area:3,558 sq. ft.
  • Lot area:0.26 Acres

Schools

  • High school:Locust Valley High School
  • Middle school:Locust Valley Middle School
  • Elementary school:Bayville Elementary School

Utilities

  • Water:Public
  • Sewer:Septic Tank

Finances and disclosures

  • Price:$1,988,000
  • Price per sq. ft.:$558.74
  • Tax amount:$26,719 (2025)
Copyright 2025 OneKey MLS. All rights reserved. Listings courtesy of OneKey MLS as distributed by MLS GRID <lastMLSCheckTimestamp>. OneKey MLS provides content displayed here (“provided content”) on an “as is” basis and makes no representations or warranties regarding the provided content, including, but not limited to those of non-infringement, timeliness, accuracy, or completeness. Individuals and companies using information presented are responsible for verification and validation of information they utilize and present to their customers and clients. OneKey MLS will not be liable for any damage or loss resulting from use of the provided content or the products available through Portals, IDX, VOW, and/or Syndication. Recipients of this information shall not resell, redistribute, reproduce, modify, or otherwise copy any portion thereof without the expressed written consent of OneKey MLS.

New listings near 20 Greenwich Avenue