77 Haven AvenueRonkonkoma, NY 11779Sale Price: $750,000

  • Sale Price: $750,000
Print
$
$
%
$/month over payments
Federal 30-year interest rate: 6.36% last updated on May 14, 2026
* All Figures are estimates. Check with your bank or proposed mortgage company for actual interest rates.
This product uses the FRED® API but is not endorsed or certified by the Federal Reserve Bank of St. Louis.
  • $750,000Sale Price
  • 5Bedrooms
  • 5Bathrooms

Toolbar | Ask A Question

Spacious and extremely well-maintained 5 bedroom, 4.5 bathroom home, including a sun-filled & beautiful legal accessory apartment, located on a flat half acre lot in Connetquot SD! Main house boasts 4 bedrooms & 3 full bathrooms, including a primary suite and a separate guest / in-law suite, as well as living room w/ fireplace and vaulted ceiling, spacious family room, formal dining room and eat-in kitchen (w/ newer SS appliances) that overlooks the massive 16' x 50' covered back deck, semi IG pool and park-like yard. Large accessory apartment w/ separate entrance has HW floors, spacious bedroom, 1.5 baths, generously-sized living room, EIK and dining area, as well as laundry and covered 12' x 14' balcony. This property has tons of storage w/ the full unfinished basement, attached heated & finished 1.5 car garage and large attic! Regularly serviced utilities, updated electric, updated cesspools w/ overflow, newer HWH, 2 driveways and much more!, Additional information: Appearance:Mint

Listing Tools

Property Details of 77 Haven Avenue

Property Details

Interior Features

Utilities and Appliances

Community

Other Details

Map Location

Listed by Christopher M. Cheeseman of Signature Premier Properties

Listing Sold by Coldwell Banker M&D Good Life

Listings courtesy of OneKey® MLS as distributed by MLS GRID. Based on information submitted to the MLS GRID as of May 17, 2026 12:40 AM EDT. 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. IDX information is provided exclusively for consumers’ personal noncommercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data is deemed reliable but is not guaranteed by MLS GRID. The use of the MLS GRID Data may be subject to an end user license agreement.

Hi there! How can we help you?

Contact us using the form below or give us a call.

Send Us A Message:

I agree to receive marketing and customer service calls and text messages from MYNY. To opt out, you can reply 'stop' at any time or click the unsubscribe link in the emails. Consent is not a condition of purchase. Msg/data rates may apply. Msg frequency varies. Privacy Policy.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.