20 Porcupine Island is a 3-bedroom, 1-bathroom detached home in Frontenac, listed for $349,000. It has 700-1100 sq ft of living space.
1Escape to the island and enjoy the peaceful beauty of Buck Lake!
2The cottage offers three bedrooms, a 3-piece bathroom, a kitchen, and a comfortable living room area - providing plenty of space for family and friends.
3Step outside onto the large deck which is an ideal spot for morning coffee, outdoor dining, entertaining, or simply enjoying the beautiful waterfront surroundings.
Escape to the island and enjoy the peaceful beauty of Buck Lake! Located on the east side of Porcupine Island in South Frontenac Township, 20 Porcupine Island offers a wonderful opportunity to own a private waterfront cottage surrounded by nature and the tranquility of lake life. The property features deep, clean waterfront and is accessible by a short boat ride from the included mainland boat slip on the north branch of Buck Lake, making access to the island convenient and straightforward. The cottage offers three bedrooms, a 3-piece bathroom, a kitchen, and a comfortable living room area - providing plenty of space for family and friends. Step outside onto the large deck which is an ideal spot for morning coffee, outdoor dining, entertaining, or simply enjoying the beautiful waterfront surroundings. Situated on the east side of Porcupine Island, this property provides the opportunity to embrace the classic Ontario cottage lifestyle with swimming, boating, fishing, relaxing, and making memories on the lake. The property is being sold 'as-is', with all contents inside and outside included in the sale. Bring your vision and make this island retreat your own.
3 bedrooms, 1 bathroom, about 700 sq ft, works out to roughly $499 per square foot. Chat with Zara if you'd like a deeper read on whether this detached fits your budget and timing.
Inside 20 Porcupine Island
Every detail from the listing, in one place.
Type
Detached
Style
Bungalow
Living space
700-1100 sq ftas stated on the listing
Basement
None
Features & systems
Parking & garage
Parking spaces
0
Interior
Basement
None
Lot & land
Lot size (sqft)
0.45
Listing & possession
Property style
Bungalow
Property class
Detached
20 Porcupine Island Price & Sale History
Earlier listings of this property, list-price changes, and the most recent annual property tax on the listing.
For saleListedThis listingMLS® X13682226$349,000
Sourced from MLS®. Includes earlier listings of this property on record.
What's it worth?
How 20 Porcupine Island Compares to the Frontenac Market
Zara compares it with recent sales of similar homes nearby. It's a guide, not an appraisal.
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Monthly cost
Enter a rate to see the monthly cost
An estimate, not a quote. Utilities and insurance are extra.
Affordability calculator
Estimated monthly payment
$1,715
/mo
based on the purchase price of $349,000
$69,800 cash
$279,200 financed
$235,160 total interest
Principal54%$279,200
Interest46%$235,160
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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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.
Similar homes for sale nearby in Frontenac
Other 2–4 bed homes for sale in Frontenac around $349K.
Average days on market45Homes sold in about 45 days on average.
Sale-to-list ratio94.9%On average, homes sold below asking.
Active listings391Homes for sale here right now.
Median vs prior 90 days+3.5%Compared with Apr 18 – Jul 17, 2026: prices up.
Based on 205 sales from Jul 17 – Oct 15, 2026 (122 in the prior 90 days). Aggregate MLS® figures for closed sales; individual sold prices are shown only to signed-in members.
Questions About 20 Porcupine Island
How much is 20 Porcupine Island listed for?
20 Porcupine Island is listed at $349,000 (MLS® X13682226). Summitly updates the price as soon as the MLS® record changes.
Is $349,000 a good price for 20 Porcupine Island?
Summitly rates it Good Deal: the asking price is 3% to 10% below Zara's estimate, an estimate built from recent sales in Frontenac. The rating is an automated opinion, not an appraisal; "What's it worth?" on this page shows how it is worked out. See Zara's estimate
Has the price of 20 Porcupine Island changed?
No — 20 Porcupine Island is still listed at its original asking price of $349,000.
How many bedrooms and bathrooms does 20 Porcupine Island have?
20 Porcupine Island has 3 bedrooms and 1 bathroom, with about 700–1,100 square feet of living space. It is a detached home in Frontenac.
How much would the monthly mortgage be on 20 Porcupine Island?
About $1,715 a month — principal and interest on $349,000 with 20% down ($69,800), a 25-year amortization and an assumed 5.5% interest rate. The mortgage calculator on this page lets you change the down payment, amortization and rate.
How does 20 Porcupine Island compare with other homes in Frontenac?
Its asking price of $349,000 is about 39% below the median sold price in Frontenac over the last 90 days, $568,000, across 205 closed sales on the TRREB MLS®. A city median mixes every type and size of home, so the comparable sales on this page are the closer guide.
Has 20 Porcupine Island been sold before?
Summitly has no earlier MLS® sale or lease of 20 Porcupine Island on record from the last two years. Older records aren't shown under TRREB rules.
Where is 20 Porcupine Island?
20 Porcupine Island is in Frontenac, ON. Schools, transit, parks and shops nearby are under Location & lifestyle on this page.
How long has 20 Porcupine Island been on the market?
59 days — 20 Porcupine Island was listed on August 17, 2026.
What is the price per square foot of 20 Porcupine Island?
About $317 to $499 per square foot: the asking price of $349,000 over the 700–1,100 sq ft the listing gives as its size range.
Does 20 Porcupine Island have a basement, and is it finished?
The listing says 20 Porcupine Island has no basement.