12 Peconic Bay Ave, Southampton, NY 11968

$3,895,000
Active for Sale
5 Beds
6.5 Baths
4500 SF
Built In 2026
 
Listing ID 930973
Property Type House
County Suffolk
Township Southampton
Hamlet Southampton
Tax ID 4736-890.420-0000-003.016
FEMA Flood Map fema.gov/portal
Year Built 2026
Virtual Tour

Southampton New Construction - Deeded Peconic Bay Beach Access

Discover an exceptional new construction home on a private street in Southampton, just moments from a serene Peconic Bay beach with deeded access and offering close proximity to both Southampton and Sag Harbor Villages. Designed for modern Hamptons living, the residence spans approximately 4,500 square feet with 5 bedrooms and 6.5 bathrooms on .34 acres. The thoughtfully designed layout begins on the main level, featuring a spacious living great room, formal dining room, and an open concept kitchen that seamlessly flows to the backyard. Outdoor living is elevated with a covered bluestone patio leading to a heated gunite pool, perfect for summer entertaining. This level also includes a bedroom with ensuite bath, a built-in mudroom and pantry conveniently located off the 2 car garage. Upstairs, the primary suite serves as a private retreat, complemented by a laundry room and two additional ensuite bedrooms. An unfinished bonus space provides the opportunity to customize and expand to suit your needs. The lower level offers additional living space with a recreation area, private gym, and a bedroom with ensuite bath, ideal for guests or extended stays. Currently under construction with completion anticipated for Summer 2026. Built by Cusumano Custom Homes and designed by Ryan Kesner, this homes offer a seamless blend of quality craftsmanship, thoughtful design, and prime location.
Property Details
  • 5 Total Bedrooms
  • 6 Full Baths
  • 1 Half Bath
  • 4500 SF (Total)
  • 0.34 Acres
  • Built in 2026
  • Full Basement
  • Lower Level: Finished, Walk Out
Interior Features
  • Open Kitchen
  • Oven/Range
  • Refrigerator
  • Dishwasher
  • Microwave
  • Washer
  • Dryer
  • Hardwood Flooring
  • Dining Room
  • Family Room
  • Den/Office
  • Primary Bedroom
  • Walk-in Closet
  • Bonus Room
  • Great Room
  • Gym
  • Kitchen
  • Breakfast
  • First Floor Primary Bedroom
  • First Floor Bathroom
  • 1 Fireplace
  • Forced Air
  • Gas Fuel
  • Central A/C
Exterior Features
  • Attached Garage
  • 2 Garage Spaces
  • Pool: In Ground, Gunite, Heated
  • Patio
  • Covered Porch
  • Driveway
  • Access Waterfront
  • Beach Rights Waterfront
  • New Construction
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