DetachedOn market 127 days

121 Tremont Park Island, Leeds and the Thousand Islands

Name: 121 Tremont Park Island
SKU: X13528914
Price: 1495000 CAD
Availability: InStock

Leeds and the Thousand Islands, ON · · MLS® X13528914Updated July 7, 2026

$1,495,000Est. $7,344/mo mortgage

Bedrooms: 4
Bathrooms: 1
Living space: 2000–2500sq ft
Parking spaces: 2

Type Detached
Lot 50 acres
Garage Yes
Basement Crawl Space

What you should know

121 Tremont Park Island is a 4-bedroom, 1-bathroom detached home in Leeds and the Thousand Islands, listed for $1,495,000. It has 2000-2500 sq ft of living space.

Experience the perfect blend of historic charm and relaxed waterfront living at this beautifully maintained 1903 summer home on picturesque Tremont Park Island, just minutes from Gananoque Marina.
Begin your day lounging on the waterside deck, then move to the beautiful covered porch with views of children playing on your private beach.
Step outside to your expansive stone patio and outdoor kitchen equipped with built-in BBQ and wet bar w/chiller tray for keeping drinks cool in summer months.

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4 Bed, 1 Bath Detached Home in Leeds and the Thousand Islands

About 121 Tremont Park Island

Experience the perfect blend of historic charm and relaxed waterfront living at this beautifully maintained 1903 summer home on picturesque Tremont Park Island, just minutes from Gananoque Marina. Set on over 200 feet of pristine shoreline, this classic summer home offers multiple spaces to unwind and entertain. Begin your day lounging on the waterside deck, then move to the beautiful covered porch with views of children playing on your private beach. Whether you're soaking up the sun or enjoying the shade, this property offers a peaceful escape in every direction. Inside, the home exudes character starting with a grand stone fireplace anchoring the living room paired with exposed beams and immaculate pine floors that flow through the formal dining room and den. The recently renovated kitchen is a gathering place featuring granite counters, new appliances, spacious island with built-in stove, double drawer refrigerators, coffee bar, mini pantry, plus easy access to east facing deck. The main floor includes convenient laundry and 2 piece bath while upstairs you'll find 4 spacious bedrooms and 3 piece bath. Step outside to your expansive stone patio and outdoor kitchen equipped with built-in BBQ and wet bar w/chiller tray for keeping drinks cool in summer months. A towering custom-built stone fireplace extends the patio season and creates a perfect setting for unforgettable evenings. Guests feel right at home with additional accommodations w/3 piece bath above the double-slip boathouse, recently reinforced with steel and concrete decks. A charming bunkie and storage shed provide additional versatility. This legacy-style retreat is a rare find in one of Canada's most sought-after destinations. Featuring extensive docking and timeless character, this is a unique opportunity to own a true piece of paradise in the heart of the Thousand Islands.

4 bedrooms, 1 bathroom, about 2,000 sq ft, works out to roughly $748 per square foot. Chat with Zara if you'd like a deeper read on whether this detached fits your budget and timing.

Inside 121 Tremont Park Island

Every detail from the listing, in one place.

Type: Detached
Style: 1 1/2 Storey
Living space: 2000-2500 sq ftas stated on the listing
Parking: 2 spacesYes garage
Basement: Crawl Space

Features & systems

Parking & garage

Garage: Yes
Parking spaces: 2

Interior

Basement: Crawl Space

Lot & land

Lot size (sqft): 0.43

Listing & possession

Property style: 1 1/2 Storey
Property class: Detached

121 Tremont Park Island Price & Sale History

Earlier listings of this property, list-price changes, and the most recent annual property tax on the listing.

Jul 6, 2026For saleListedThis listingMLS® X13528914$1,495,000

Sourced from MLS®. Includes earlier listings of this property on record.

What's it worth?

How 121 Tremont Park Island Compares to the Leeds and the Thousand Islands Market

Zara compares it with recent sales of similar homes nearby. It's a guide, not an appraisal.

Zara’s estimate

Well Above Market· based on 59 recent sales

Value your own home →How accurate are Zara’s estimates?

Summitly estimate, not from TRREB, the MLS® or the listing brokerage. Not an appraisal. How it works

Leeds and the Thousand Islands market, last 90 days

Median sold price: $553,750
Average sold price: $581,532
Average days on market: 60
Homes sold: 42

Closed sales on the TRREB MLS®.

Full Leeds and the Thousand Islands market report

Recently sold nearby in Leeds and the Thousand Islands

Sold prices are shown free to signed-in members, as board rules require.

6 nearby sales vs. this home

Closed sales from MLS®, compared with this home's asking price.

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Home	Sold price	$ / sqft	% of asking	Sold
This home121 Tremont Park Island 4 bd · 1 ba · 2,000 sqft	$1,495,000asking	$748	—	—
208 Back Street 3 bd · 2 ba · 1,500 sqft
3248 Highway 32 Highway 3 bd · 1 ba · 1,100 sqft
106 Yardarm Lane 3 bd · 2 ba · 1,100 sqft
65 Rose Island Lane 3 bd · 4 ba · 2,500 sqft
3360-A County Road 3 Road 3 bd · 3 ba · 2,500 sqft
25 Vanston Road 3 bd · 2 ba · 2,000 sqft

208 Back Street
3 bd · 2 ba · 1,500 sqft
3248 Highway 32 Highway
3 bd · 1 ba · 1,100 sqft
106 Yardarm Lane
3 bd · 2 ba · 1,100 sqft
65 Rose Island Lane
3 bd · 4 ba · 2,500 sqft
3360-A County Road 3 Road
3 bd · 3 ba · 2,500 sqft
25 Vanston Road
3 bd · 2 ba · 2,000 sqft

Living in Leeds and the Thousand Islands: Location & Amenities

Transit, schools, parks and everyday places near this home. Select any place to open it on Google Maps.

Costs, Mortgage & Rental Return for 121 Tremont Park Island

What it could cost each month, today's rates from our mortgage partner, and what it could return as a rental.

Mortgage: $7,344; 20% down · 25 years · 5.5% assumed
Property tax: $822; 0.66% mill rate · ON
Total per month: $8,166; Before utilities, insurance and fees

Figures are Summitly estimates for illustration only — not from TRREB or the MLS® feed, and not a mortgage approval, appraisal, or financial advice.

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Monthly cost

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Down payment

Rate (%)

Years

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Affordability calculator

Estimated monthly payment

$7,344

/mo

based on the purchase price of $1,495,000

Down payment20%

$299,000 cash

Amortization25 yr

$1,196,000 financed

Rate5.50%

$1,007,346 total interest

Principal54%$1,196,000

Interest46%$1,007,346

20% down · 25-yr amortization · 5.50% rate. Principal & interest only — taxes, condo fees, and insurance not included.

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Figures are Summitly estimates for illustration only — not from TRREB or the MLS® feed, and not a mortgage approval, appraisal, or financial advice.

Rental income potential

Est. monthly rent

low–high

Gross yield

rent × 12 ÷ price

Cap rate (est.)

net of tax + fees

Summitly AI estimate for discussion only — not from TRREB or the MLS® feed, and not an appraisal or investment advice. Yield and cap rate are derived from the estimated rent versus the asking price.

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Listing brokerage: ROYAL LEPAGE PROALLIANCE REALTY, BROKERAGEMLS® X13528914 · Listing data last updated July 7, 2026

Listing data comes from the Toronto Regional Real Estate Board (TRREB) and is deemed reliable but not guaranteed. Shown on Summitly by Coldwell Banker Summit Realty, Brokerage, which is not the listing brokerage. The information provided herein must only be used by consumers that have a bona fide interest in the purchase, sale, or lease of real estate and may not be used for any commercial purpose or any other purpose. © 2026 Toronto Regional Real Estate Board. All rights reserved.

Mortgage financing is arranged through Mortgage Squad Advisors. Summitly is the technology platform that powers this site. Estimated values, AI insights, calculator results, and rental projections shown on this page are generated by Summitly and are not provided by, reviewed by, or sourced from TRREB, the MLS®, or the listing brokerage; they are not appraisals or opinions of value. The trademarks REALTOR®, REALTORS®, and the REALTOR® logo are controlled by the Canadian Real Estate Association (CREA) and identify real estate professionals who are members of CREA. The Coldwell Banker® name and logo are trademarks of Coldwell Banker Real Estate LLC.

For sale· listed Jul 5· $748/sq ft

Estimated monthly mortgage$7,344/moMortgage only · 20% down · 5.5% assumed

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