43 Casey LaneMount Sinai, NY 11766Sale Price: $1,550,000

  • Sale Price: $1,550,000
  • 118 Days Since Sale
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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.
  • $1,550,000Sale Price
  • 4Bedrooms
  • 5Bathrooms
  • 0.81Acreage
  • 4,400Square Feet

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Welcome to this magnificent home in prestigious Mount Sinai. This home features a front porch with lighting and front waterfall. Enter into a two-story foyer through the double glass doors from Italy. This leads into the formal living room, large formal dining room with tray ceilings and into the magnificent new kitchen with an island. The kitchen has granite countertops, Viking stainless steel appliances, six burner stove, two porcelain Kohler sinks with stainless steel faucets, five decorative light fixtures, walk in pantry. From the kitchen to the dinngroom there is a butlers pantry with Viking wine fridge, cabinets with glass doors. There is a hallway leading to an office with tongue and groove and full bath. There is radiant heat in kitchen, office, hall and baths. From the kitchen, look into your large den with fireplace and Crawford ceilings. There are sliders leading to the yard. Climb the beautiful staircase to the master bedroom suite with white carpet, tray ceilings, 2 walk-in closets (one has access to attic) full bath with Jacuzzi, full shower, new vanities and radiant heat. There are 3 additional large bedrooms and a full bath with double sink, stall shower, and linen closet. The laundry room is upstairs with whirlpool washer, and dryer, table with wood counter and cabinets. There is a full finished basement with an outside entrance. The basement offers a theater room with projector & stadium seating, bedroom, full bath also storage room with Control4 smart system & dual 150 amp panels, utility room with 100 gallon hot water heater. Now go relax in your oasis backyard featuring a 20' x 40' deck with an Altima stainless steel grill, Emerson mini fridge & sink. Float away in the 45' x 45' heated L shaped inground pool with a rock formation waterfall, outdoor Jacuzzi, pool house with full bath & sitting are and full basement for storage , gas fire pit. There are fire torches and lighting under the trees and around the pool. This home has new CAC, raised panel doors, and molding throughout. There is a 3 car garage, IGS, outdoor speakers, circular all brick driveway, Unpack and enjoy your Oasis. You're around the corner from Heritage Park, a short ride to Port Jefferson Village, the LIRR, Port Jefferson ferry, Cedar Beach, and great restaurants and shopping.

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Listed by MaryAnn Adams CBR of Signature Premier Properties (631-585-8400)

Listing Sold by Serhant East End LLC

Listings courtesy of OneKey® MLS as distributed by MLS GRID. Based on information submitted to the MLS GRID as of May 20, 2026 5:20 PM 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.

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