
260 Ontario Street
Lambton Shores, ON
- 6 bed
- 6 bath
- approx. 5000 + sqft
- Detached
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.
Virtual Tour
Virtual Tour Available
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.
Location
Street View
Mortgage Calculator
$900,000
Estimated Monthly Payment
$22,107
Land transfer tax
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.
Reita | Assistant
Online
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?