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Zara is an AI virtual agent. Advisors are licensed REALTORS® at Coldwell Banker Summit Realty, Brokerage.
Lots & Land in The Archipelago
About 10 Underhill Island
Exceptionally private property on a very quiet & deep Bay. There are no neighbours nearby. This property is surrounded by Crown Land ,no neighbors anywhere around the site.. Amazing views, This is a very rare opportunity to create an ultra private getaway. Build the oasis of your dreams, or consider Trevor McIsaac cottage design available, architecturally created for this unique property. There are 2 distinct & very private beaches, nestled & snug into dramatic & beautiful rock rises. The lot is cleared, surveyed & ready to build on. Permits are readily available. Canoeing & kayaking no problem, enjoy the quiet inlets & smaller bays that surround the property. Located on Underhill Island, a short trip via sheltered water from Parry Sound marinas.
The Archipelago land priced at $799,999 — book a tour to see if it fits your search.
Inside 10 Underhill Island
Every detail from the listing, in one place.
Type
Land
Features & systems
Lot & land
Lot size (sqft)
0.8
Listing & possession
Property class
Vacant Land
10 Underhill 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® X13258404$799,999
Sourced from MLS®. Includes earlier listings of this property on record.
What's it worth?
How 10 Underhill Island Compares to the The Archipelago Market
Zara compares it with recent sales of similar homes nearby. It's a guide, not an appraisal.
Zara’s estimate
$•,•••,•••
Estimated from city-wide sales. There isn’t enough detail on this listing to rate the price.
Independent mortgage broker · OAC · rates subject to change and underwritingMortgage Squad →
Referral disclosure: Summitly may refer you to Mortgage Squad Advisors, an affiliated mortgage partner. You are free to choose any lender or mortgage professional.
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
$3,930
/mo
based on the purchase price of $799,999
$160,000 cash
$639,999 financed
$539,047 total interest
Principal54%$639,999
Interest46%$539,047
20% down · 25-yr amortization · 5.50% rate. Principal & interest only — taxes, condo fees, and insurance not included.
Want rate-drop alerts and a saved shortlist?
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.
For homeowners nearby
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Book a tour of 10 Underhill Island with a licensed buyer's agent
Your agent is usually paid from the seller's side. We'll confirm the co-operating commission on this listing before you sign anything.
Zara, any time
Zara · AI virtual agent
Ask about 10 Underhill Island day or night. Zara reads this listing and answers in plain words. When you want a person, she hands you to a licensed agent.
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Your agent shows you the home, checks the paperwork and negotiates your offer, on your side, not the seller's.
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.
Keep looking near 10 Underhill Island
Homes for sale in The Archipelago
Every active The Archipelago MLS® listing, updated all day.
Average days on market53Homes sold in about 53 days on average.
Sale-to-list ratio94.9%On average, homes sold below asking.
Active listings62Homes for sale here right now.
Median vs prior 90 days−15.2%Compared with Apr 26 – Jul 25, 2026: prices down.
Based on 30 sales from Jul 25 – Oct 23, 2026 (11 in the prior 90 days). Aggregate MLS® figures for closed sales; individual sold prices are shown only to signed-in members.
Questions About 10 Underhill Island
How much is 10 Underhill Island listed for?
10 Underhill Island is listed at $799,999 (MLS® X13258404). Summitly updates the price as soon as the MLS® record changes.
Has the price of 10 Underhill Island changed?
No — 10 Underhill Island is still listed at its original asking price of $799,999.
How many bedrooms and bathrooms does 10 Underhill Island have?
The listing for 10 Underhill Island doesn't publish its bedroom and bathroom count. It is a lot in The Archipelago.
How much would the monthly mortgage be on 10 Underhill Island?
About $3,930 a month — principal and interest on $799,999 with 20% down ($160,000), 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 10 Underhill Island compare with other homes in The Archipelago?
Its asking price of $799,999 is about 6% below the median sold price in The Archipelago over the last 90 days, $847,500, across 30 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 10 Underhill Island been sold before?
Summitly has no earlier MLS® sale or lease of 10 Underhill Island on record from the last two years. Older records aren't shown under TRREB rules.
Where is 10 Underhill Island?
10 Underhill Island is in The Archipelago, ON. Schools, transit, parks and shops nearby are under Location & lifestyle on this page.
How long has 10 Underhill Island been on the market?
140 days — 10 Underhill Island was listed on June 5, 2026.
What is the lot size of 10 Underhill Island?
The lot is 3.495 acres, as published in the listing.
What is the land transfer tax on 10 Underhill Island?
About $12,475 in Ontario land transfer tax at the asking price of $799,999. First-time buyers can get up to $4,000 back. Legal fees and other closing costs are extra.
How do I book a viewing of 10 Underhill Island or make an offer?
Select "Book a viewing" on this page and pick a time. A licensed Coldwell Banker Summit Realty, Brokerage agent confirms it with the listing brokerage. When you're ready, your agent prepares the offer with you and submits it to the listing brokerage.
What is the property tax for 10 Underhill Island?
The listing for 10 Underhill Island doesn't publish the annual property tax. The property tax calculator linked at the foot of this page gives an estimate for The Archipelago.