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260 Ontario Street

260 Ontario Street

Lambton Shores, ON

  • 6 bed
  • 6 bath
  • approx. 5000 + sqft
  • Detached
$4,500,000

ONE OF A KIND WATERFRONT LUXURY | UNMATCHED SCALE & PRESTIGE | 9441 SQ FT OF PURE 2023 EXCELLENCE - Welcome to the most extraordinary custom waterfront estate ever offered in Grand Bend: a next-level masterpiece sitting on 3 acres w/ over 177 ft of peaceful Ausable River frontage. This is ultra-premium living for upper-tier buyers who demand a home that simply doesn't exist anywhere else. Inside this 9441 SQ FT architectural triumph, every inch is finished at a standard beyond premium. The showpiece is the 4-season sunroom, a full "home within a home," featuring a built-in swim spa pool, the largest custom skylights available, & exclusive roll-up screens unseen in any other residence in the region. With 6 bedrooms, including a magazine-worthy primary suite + dressing room, 6 jaw-dropping bathrooms, multiple offices/work-from-home zones, 2 laundries, & a dedicated fitness/art studio, the lifestyle offering is limitless. The chef's kitchen is fully loaded & seamlessly connects to a butler's pantry/2nd kitchen boasting a serving window to the sunroom - an entertainer's paradise! The craftsmanship is staggering: mahogany & poplar millwork, European archways, & centuries-old imported hardwood from a French castle custom-finished for the grand entry! The entire main & lower level floors are heated along with the garage, which is a car collector's dream offering 5 bay doors & floor space for 6 cars + storage. A double-deep RV/boat bay in the garage leads to a on site private boat launch adjacent to 50 ft of private dockage already in place + ample space to grow for larger boats or additional watercrafts. With the extremely private 3 acres, there is an abundance of land for a large hobbyist shop or development potential near the road for an additional lots. This is a one-of-one luxury estate in a class of its own in Grand Bend, Ontario's fastest growing year round beach community. Qualify with a Realtor to experience the full details of this once-in-a-lifetime offering.

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Listing Details

Taxes (2025)
$15,934
Listed
July 6, 2026

Price History

Property

Style
2-Storey
Age
0-5
Construction
Hardboard, Stone
Roof
Metal, Shingles
Foundation
Poured Concrete, Other
Interior
Primary Bedroom - Main Floor, Bar Fridge, Storage, Carpet Free, Auto Garage Door Remote, Countertop Range, Air Exchanger, Built-In Oven, Central Vacuum, In-Law Capability, Guest Accommodations, On Demand Water Heater, Separate Heating Controls, Steam Room, Sump Pump, Upgraded Insulation, Water Heater Owned, Other
Lot Size
182 x 770 Feet

Parking

Garage
Attached
Covered Spaces
6
Total Parking
15

Utilities

Sewer
Septic
Heat Source
Gas

Location & Legal

Cross Street
Just N of Lakeview Ave on west side of Ontario St and Merrywood Dr on East side of Ontario St
Zoning
R6 Lambton Shores
Parcel Number
434440784
Possession
Flexible
Occupancy
Owner

Included

Inclusions
Contact Realtor
Rental Items
NONE

Waterfront

Water Body
Ausable River
Shoreline
Soft Bottom, Mixed
Docking
Private

Schools

Elementary

  • Grand Bend Public School1.2 km

    Public · Lambton Kent DSB · 270 students

    Grade 3 reading: 73% met the provincial standard · Grade 6 math: 44% met the provincial standard

Straight-line distance. Nearby schools are not necessarily the assigned schools — confirm catchment with the school board. Scores are EQAO provincial test results for 2024-2025.

Community

Postal area N0M

Population
69,177
Private dwellings
32,011
Median age
46
Average household size
2.5
Median household income
$91,000

Source: Statistics Canada, 2021 Census of Population, catalogue 98-401-X2021013. Adapted from Statistics Canada. This does not constitute an endorsement by Statistics Canada of this product.

Local market

Residential Freehold in Lambton Shores · last 12 months

Median sold price
$612,000
Homes sold
197
Median days on market
38
Sale-to-list price
95.1%

Based on 197 recorded sales of residential freehold properties in Lambton Shores over the last 12 months.

Rooms

6-piece on Main, 3-piece on Main, 2-piece on Main, 4-piece on Upper, 2 × 4-piece on Basement

Upper

  • Bathroom8' x 9'7"
  • Bedroom15'3" x 13'11"
  • Family Room30'2" x 20'1"
  • Loft8'5" x 15'5"

Main

  • Bathroom6'2" x 5'6"
  • Bathroom6'1" x 8'8"
  • Bathroom16'2" x 16'7"
  • Bedroom11'2" x 15'6"
  • Dining Room13'7" x 22'1"
  • Foyer50'2" x 7'9"
  • Kitchen10'3" x 22'1"
  • Laundry8'3" x 10'6"
  • Living Room17'7" x 22'1"
  • Office8'3" x 7'8"
  • Other13'9" x 8'11"
  • Pantry9'5" x 24'2"
  • Primary Bedroom19'3" x 15'11"
  • Sunroom66'6" x 15'5"

Lower

  • Bathroom11'8" x 5'5"
  • Bathroom12'10" x 5'5"
  • Bedroom19'7" x 14'10"
  • Bedroom 213'2" x 12'8"
  • Bedroom 319'5" x 11'10"
  • Cold Room/Cantina11' x 7'
  • Exercise Room21'2" x 16'8"
  • Exercise Room17'11" x 20'8"
  • Laundry5' x 9'8"
  • Recreation31'11" x 39'1"
  • Utility Room15' x 22'7"

Listed by

ROYAL LEPAGE TRILAND REALTY

Walk Score

Walk Score is unavailable for this address right now.

Mortgage Calculator

$900,000

Estimated Monthly Payment

$22,107

Land transfer tax

Estimated land transfer tax$98,975

Ontario land transfer tax only. An estimate — not legal or financial advice. Municipal land transfer tax applies in Toronto and is not included.

Investment Analysis

No recent nearby lease data. Enter a rent to see the numbers.

Mortgage: $22,107/mo (20% down, 5.5%)

Taxes: $1,328/mo · Insurance: $1,125/mo

Estimates only. Consult a financial advisor.

R

Reita | Assistant

Online

Reita said:

Reita is an automated assistant, not a licensed real estate agent. This listing mentions A double-deep RV/boat bay in the garage leads to a on site private boat launch adjacent to 50 ft of private dockage already in place + ample space to grow for larger boats or additional watercrafts.. I can help you explore neighbourhoods, understand the market, and find our free tools. What are you looking for?

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