Property Description
Bayville Waterfront Two Family Masterpiece. Experience a unique lifestyle with this home. Originally part of the historic Long Island Sound ferry trade community in 1930 (per FEMA) this property was reconstructed as a two-family residence after WWII (1948 per Nassau Property Record) and meticulously modernized over the following years . The home offers a rare blend of coastal history and contemporary luxury on a quarter acre of beachfront property that includes approximately 3,550 sq. ft. of interior living space. The versatile floor plan features 5 generous bedrooms and 3.5 designer bathrooms incorporated into two apartments, for extra income or as a family compound. The property offers on-site parking for 6 cars with covered parking for at least 4 of those cars. Unrivaled Shoreline Privacy. This property offers approx. 80ft of private deeded beach frontage, extending to the mid-high tide line-a rare feature providing superior privacy. The outdoor resort experience includes, covered sitting areas, plus three remote-operated awnings. Superior Infrastructure. Built for peace of mind with a waterproofed upper-level boiler room, dual central air units, dual hot water heaters, and a comprehensive security system with a remote front gate and soundproofed between units. The Greenwich Avenue Property Owners Association (no mandatory dues) provides Village enforced permit-only resident parking and property owners private beach next to your own deeded beach. The property is ideally situated with the Sound side Beach and playground on the corner, adjacent to historic Walls Wharf and close distance to the Crescent Beach Club, this is a true seaside retreat.
20 Greenwich Avenue | MLS# 998376
This multi-family property located at 20 Greenwich Avenue , Bayville, NY 11709 is currently listed for sale with an asking price of $1,798,000. Greenwich Avenue is located within the Locust Valley school district. Search Bayville real estate on www.coldwellbankerprime.com today.
Gallery
Property Features
Property Type: Multi Unit - Multiple
Cooling: Central Air, Ductwork
Fireplaces: 1
Heating: Hot Water
Home Style: Contemporary
Lot Size: 0.25 Acres
Taxes: $21,931
Year Built: 1948
Amenities
First Floor Bedroom
First Floor Full Bath
Breakfast Bar
Cathedral Ceiling(s)
Ceiling Fan(s)
Chandelier
Chefs Kitchen
Crown Molding
Entrance Foyer
Formal Dining
Granite Counters
High Speed Internet
His and Hers Closets
Kitchen Island
Marble Counters
Natural Woodwork
Open Floorplan
Open Kitchen
Original Details
Primary Bathroom
Sound System
Speakers
Storage
Walk-In Closet(s)
Washer/Dryer Hookup
Wired for Sound
Awning(s)
Balcony
Rain Gutters
Feature Descriptions
Association Amenities: None
Attic: Full, Storage
Beach Rights: Y
Building Area Total: 3558
Exterior: Stone, Vinyl Siding
Fencing: Chain Link, Full, Vinyl
Fireplace Features: Wood Burning
Fireplace Y/N: Yes
Flooring: Ceramic Tile, Wood
Formal Dining: Yes
Frontage: 78
Heating Units: 1
Heating Zones: 2
House Faces: North
Included In Taxes: Trash, Water
Laundry: Gas Dryer Hookup, In Kitchen, Laundry Room
Lot Dimensions: 80x138
Lot Features: Waterfront
On Market Date: 2026-05-12
Parcel Number: 2401-28-011-00-0053-0
Parking Features: Attached, Carport, Driveway, Tandem
Parking Total: 6
Patio And Porch: Covered, Deck
Rental Term: Monthly
Road Responsibility: Private Maintained Road
Security Features: Security Gate, Security Lights, Video Cameras
Seller Concession: Yes
Seller Concession Amount:: 6000.00
Separate Electric Meters: 2
Separate Gas Meters: 1
Sewer: Cesspool, Septic Tank
Skylight: Y
Spa Y/N: Yes
Special View Info: Panoramic, Water
Units: 2
Utilities: Cable Connected, Electricity Connected, Natural Gas Connected, Water Connected
Water: Public
Waterfront Features: Beach Access, Beach Front, Waterfront
Window Features: Double Pane Windows, Oversized Windows, Skylight(s), Wall of Windows
Local Schools
High School: Locust Valley High School
Middle School: Locust Valley Middle School
Elementary School: Bayville Elementary School
School District: Locust Valley
TOUR THIS HOME
20 Greenwich Avenue , Bayville, NY 11709
An agent will get in touch to confirm your request shortly.
Estimate Your Payment
Estimated Payment
$ 6,353.57 per month $4,001.57 Principal & Interest $1,827.58 Property Tax $524.42 Homeowner's InsuranceChange Payment Information
Demographics
Listed By / Shown By
Listing By
Agency Name: Greene Realty Group
Agency Contact: 860-560-1006
Shown By
Agency Title: Coldwell Banker Prime Properties
Agency Phone: 866-323-CBPP
SHARE THIS HOME
![]()
![]()
![]()
20 Greenwich Avenue , Bayville, NY 11709
Send an email with a link to
20 Greenwich Avenue , Bayville, NY 11709.
Print This Listingx
Select a format below, new window will open and will prompt you to print.
Connect with us on Social
Disclaimer:
All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information on this site was last updated 05/12/2026. The listing information on this page last changed on 05/12/2026. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of Delta Media Group MLS (last updated Tue 05/12/2026 12:11:30 AM EST) or Global MLS (last updated Tue 05/12/2026 12:07:12 AM EST) or New York State Alliance MLS (last updated Tue 05/12/2026 12:06:49 AM EST) or Hudson Valley Catskill Region MLS (last updated Tue 05/12/2026 12:01:14 AM EST) or OneKey MLS (last updated Tue 05/12/2026 12:07:20 AM EST). Real estate listings held by brokerage firms other than Coldwell Banker Prime Properties may be marked with the Internet Data Exchange logo and detailed information about those properties will include the name of the listing broker(s) when required by the MLS. All rights reserved.
![mls logo]()
Listing data and photos distributed by MLSGRID
Member Participants (and their affiliated licensees, if applicable) shall indicate on their websites that IDX information is provided exclusively for consumers’ personal non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, that the data is deemed reliable but is not guaranteed by MLS GRID, and that the use of the MLS GRID Data may be subject to an end user license agreement prescribed by the Member Participant’s applicable MLS if any and as amended from time to time. MLS GRID may, at its discretion, require use of other disclaimers as necessary to protect Member Participant, and/or their MLS from liability.
Based on information submitted to the MLS GRID. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.
Privacy Policy / DMCA Notice / ADA Accessibility
Member Participants (and their affiliated licensees, if applicable) shall indicate on their websites that IDX information is provided exclusively for consumers’ personal non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, that the data is deemed reliable but is not guaranteed by MLS GRID, and that the use of the MLS GRID Data may be subject to an end user license agreement prescribed by the Member Participant’s applicable MLS if any and as amended from time to time. MLS GRID may, at its discretion, require use of other disclaimers as necessary to protect Member Participant, and/or their MLS from liability.
Based on information submitted to the MLS GRID. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.
C.B. Prime Properties, Inc. fully supports the principles of the Fair Housing Act and the Equal Opportunity Act. Each franchise is independently owned and operated.
Homestead Funding Corp. Company NMLS# 3232. Equal Housing Lender. State Licensing Information
Coldwell Banker®. All rights reserved. The Coldwell Banker System is comprised of company owned offices which are owned by a subsidiary of Anywhere Advisors LLC and franchised offices. Coldwell Banker Real Estate LLC, fully supports the principles of the Fair Housing Act and the Equal Opportunity Act. Any services or products provided by independently owned and operated franchisees are not provided by, affiliated with, or related to Coldwell Banker Real Estate LLC nor any of its affiliated companies.
Privacy Policy / DMCA Notice / ADA Accessibility
This site is hosted, designed and copyright
© 1994 - 2026 by
Delta Media Group, Inc. -- Patent Pending --