© 2026 HomeSix Realty Inc. All rights reserved.

MLS® X13722670
Rideau Lakes, ON
Welcome to 3 St. Mary's Street in the heart of Portland, a charming century home that blends timeless character with thoughtful modern updates. Set on a generous lot with established gardens, this detached 2-storey home offers four bedrooms, two bathrooms, warm and inviting living spaces, and a bright sunroom with a fireplace, perfect for relaxing year-round.The home has been extensively updated with a new electrical panel, recessed lighting, updated switches and receptacles, a heat pump, new gutters, updated appliances, fresh paint throughout, new upstairs carpeting, custom closet storage in the primary bedroom, and new flooring in the sunroom. Additional improvements include a new driveway, paving stones at the front deck, updated doors, new toilets, a replaced sump pump, and a generator connection.Outside, enjoy established gardens, ample yard space, and a detached garage/barn offering excellent storage and versatility. High-speed fibre internet adds everyday convenience. Best of all, you're just steps from Big Rideau Lake, one of the Rideau Lakes region's most sought-after destinations for boating, swimming, fishing and endless days on the water. Walk to local marinas and restaurants, and enjoy everything that makes Portland such a special waterfront village. Newer community amenities include Portland Hall and library, opened in 2025, as well as a new daycare in the village. Enjoy an easy commute to Kingston in approximately 45 minutes, with Smiths Falls only about 20 minutes away.
Inclusions
Refrigerator, stove, dishwasher, washer, dryer, all existing light fixtures, all existing window coverings and rods
Exclusions
None.
Broker
ENGEL & VOLKERS OTTAWA
Own a home here? See what it could sell for.
Use this listing address as a starting point for a Home6 seller valuation.

Detached
3 St Mary's Street Rideau Lakes
Rideau Lakes
Built
100+
Type
Detached
Basement
Unfinished
Parking
Detached (3)
Property Tax
~$3,081/yr
Heating
Heat Pump
Buying Essentials
Square Feet
2750 sqft
Facing Direction
West
Parking
Detached (3)
Finances
List Price
$599,999
Price per SQFT
$218/sqft
Property Tax
~$3,081/yr
Property Specs
Property Type
Detached
MLS Size
2750 sqft
Age of Building
100+
Basement
Unfinished
Living & Amenities
Heating Type
Heat Pump
Features
Sump Pump · Water Heater · Water Softener · Water Treatment
Policies & Utilities
Neighbourhood
Rideau Lakes
Listed On
Aug 28, 2026
Days on Market
Current: 72 days
Room information is not available for this listing.
Learn about the area and demographics around this address.
Schools closest to 3 St Mary's Street Rideau Lakes.
Source: No verified source available.Catchment boundaries and ratings are shown only when available.
Active alternatives ranked by location, property type, price, bedrooms, size, bathrooms, and recency.
Recent sold or leased properties are shown separately from active alternatives.
Close to 3 St Mary's Street Rideau Lakes.