$4,500,000
48.31 BTC
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260 Ontario Street, Lambton Shores
$4,500,000
PRICE
3 + 3
BEDROOMS
6
BATHROOMS
X13529760
MLSID

260 Ontario Street, Lambton Shores

EXECUTIVE 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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Summary

Address
260 Ontario Street
Community
MLSID
X13529760
Property Type
Detached
Property Category
Bedrooms
3 + 3
Bathrooms
6
Kitchens
2
Zoning
R6 Lambton Shores
Taxes (Annual)
$15,934.00
Tax Year
2025
Published
July 6, 2026
Days on Market
2 Days
Possession Type
Flexible
Possession Details
Sellers Can Close Quickly, And Can Also Be Flexible
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Inclusions

Contact Realtor

Details

Property Features
Beach, Other, Part Cleared, River/Stream, Waterfront, Wooded/Treed
Bathroom 1
6-Piece Main Level
Bathroom 2
3-Piece Main Level
Bathroom 3
2-Piece Main Level
Bathroom 4
4-Piece Upper Level
Bathroom 5
4-Piece Basement Level
Basement
Finished with Walk-Out, Full, Separate Entrance, Finished, Walk-Up
Exterior Features
Privacy, Porch, Porch Enclosed, Fishing, Hot Tub, Landscaped, Year Round Living, Patio
Interior Features
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
Parking Spaces
10
Parking Total
15
Parking Features
Inside Entry, Private Triple, Right Of Way, Mutual
Architectural Style
2-Storey
Roof
Metal, Shingles
Construction Materials
Hardboard, Stone
Lot Size
3 Acres
Lot Width
182 Feet
Lot Depth
770 Feet
Water
Municipal
Heat Source
Gas
Heat Type
Forced Air
New Construction
No
Occupant Type
Owner
Private Entrance
No
Sauna
No
Seasonal Property
No
Hot Tub / Spa
No
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Listing Contracted with ROYAL LEPAGE TRILAND REALTY
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