Are you looking for the perfect combination of relaxation and entertainment? Look no further than 59 Riverside Ave in Mastic Beach. This stunning property boasts a private dock and inground pool, making it the ideal location for those who love waterfront living. Featuring 3 bedrooms and plenty of space for entertaining this turnkey home has everything you need for a comfortable and luxurious lifestyle. Enjoy the breathtaking views of the water from your outdoor porch, or take a dip in the crystal clear pool on hot summer days. But that's not all - for investors, this property is an incredible opportunity. Don't miss out on your chance to experience the best of Mastic Beach's waterfront living. The home is being sold "as is" and does not have a current CO for the house, pool, and dock., Additional information: Appearance:Good
Sold for $529,000
$529,000
59 Riverside Avenue, Mastic Beach, NY 11951
3beds
2,224sqft
Single Family Residence, Residential
Built in 1959
0.33 Acres Lot
$-- Zestimate®
$238/sqft
$3,756 Estimated rent
Home value
Not available
Estimated sales range
Not available
$3,756/mo
Zestimate® history
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Zillow last checked: 8 hours ago
Listing updated: January 05, 2026 at 03:14pm
Listed by:
Michael Jablonski 631-734-0390,
Century 21 Excelsior Realty 631-734-0390,
Douglas Cabral 631-767-1069,
Century 21 Excelsior Realty
Bought with:
Judith I. Duran CBR, 10401209727
Professional RE of New York
Source: OneKey® MLS,MLS#: 894643
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 3
- Bathrooms: 2
- Full bathrooms: 2
Primary bedroom
- Description: Primary Bedroom
- Level: Second
Bedroom 1
- Description: Bedroom
- Level: First
Bedroom 2
- Description: Bedroom
- Level: Second
Other
- Description: Full Bathroom
- Level: Second
Other
- Description: Full Bathroom
- Level: First
Family room
- Description: Family room
- Level: First
Kitchen
- Description: Kitchen
- Level: First
Laundry
- Description: Laundry room
- Level: First
Heating
- Oil, Baseboard
Cooling
- Has cooling: Yes
Appliances
- Included: Oil Water Heater
Features
- Cathedral Ceiling(s), Eat-in Kitchen
- Has basement: No
- Attic: None
Interior area
- Total structure area: 2,224
- Total interior livable area: 2,224 sqft
Property
Parking
- Parking features: Private, Driveway
- Has uncovered spaces: Yes
Features
- Levels: Two
- Has private pool: Yes
- Pool features: In Ground
- Waterfront features: Creek
Lot
- Size: 0.33 Acres
- Dimensions: .33
Details
- Parcel number: 0200940000500008000
- Special conditions: None
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Ranch
- Property subtype: Single Family Residence, Residential
Materials
- Cedar
Condition
- Year built: 1959
- Major remodel year: 2010
Utilities & green energy
- Sewer: Cesspool
- Water: Public
- Utilities for property: Trash Collection Public
Community & neighborhood
Location
- Region: Mastic Beach
Other
Other facts
- Listing agreement: Exclusive Right To Sell
Price history
| Date | Event | Price |
|---|---|---|
| 12/30/2025 | Sold | $529,000-1.9%$238/sqft |
Source:  OneKey® MLS #894643 Report a problem | ||
| 11/12/2025 | Pending sale | $539,000$242/sqft |
Source: OneKey® MLS #894643 Report a problem | ||
| 8/8/2025 | Price change | $539,000+10.2%$242/sqft |
Source: OneKey® MLS #894643 Report a problem | ||
| 5/15/2024 | Pending sale | $489,000$220/sqft |
Source: OneKey® MLS #3507721 Report a problem | ||
| 5/13/2024 | Listing removed | -- |
Source: OneKey® MLS #3507721 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2017 | $9,399 | $2,100 |
| 2016 | -- | $2,100 |
| 2015 | -- | $2,100 |
Find assessor info on the county website
Neighborhood: 11951
Nearby schools
GreatSchools rating
- 5/10Nathaniel Woodhull Elementary SchoolGrades: K-5Distance: 1.1 mi
- 4/10William Floyd Middle SchoolGrades: 6-8Distance: 1.9 mi
- 3/10William Floyd High SchoolGrades: 9-12Distance: 0.9 mi
Schools provided by the listing agent
- Elementary: Tangier Smith Elementary School
- Middle: William Floyd Middle School
- High: William Floyd High School
Source: OneKey® MLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
- New York
- Suffolk County
- Mastic Beach
- 11951
- 59 Riverside Avenue