48920 Sport Is, Alexandria Bay, NY, 13607
About This Home
Welcome to Sport Island, one of the most iconic and sought after-private islands in the majestic Thousand Islands Region. This extraordinary 3.90 -acre- estate offers once in a lifetime opportunity to own a piece of paradise surrounded by breathtaking sunsets and panoramic ship views. The property highlights the main house and 3 charming cottages, perfect for hosting family, friends & guests. Also, includes an amazing boathouse with protected deep-water dockage and upper-level space above for entertaining. Owners have almost finished the 3-guest cottages with wood- mode cabinetry and gorgeous wainscoting & moldings. The main house has started to be remodeled and just needs you to come in and finish to your taste. Call now for details & private showing. Properties like this are rare to find.
Getting Around
Car-Dependent
Very Limited Transit
Somewhat BikeableSchools
Construction
Condition
- Property condition: Resale
- Year built: 1880
Materials
- Foundation: Block,Stone
- Roof: Architectural,Shingle
- Construction materials: Wood Siding
Type & Style
- Home type: SingleFamily
- Architectural style: Cottage,Two Story
- Property subType: Single Family Residence
Interior
Appliances
- Appliances included: Electric Water Heater
- Laundry features: Main Level
Basement
- Has basement: Yes
- Basement: Partial
Bedrooms & Bathrooms
- Bedrooms: 11
- Bathrooms: 4
- Full bathrooms: 4
- Main level bathrooms: 1
- Main level bedrooms: 1
Features
- Ceiling Fan(s),Dining Area,Den,Separate/Formal Dining Room,Eat-in Kitchen,Kitchen Island,Living/Dining Room,Storage,Main Level Primary
- Flooring: Hardwood,Tile,Varies
Heating
- Heating features: Electric,Baseboard
Interior Area
- Total structure area: 5,818
- Total interior livable area: 5,818 sqft
Property
Details
- Parcel number: 2222890030060001002000
- Special condition: Standard
Features
- Stories: 3
- On waterfront: Yes
- Waterfront features: Beach Access,Dock Access,River Access,Stream
- Waterbody name: Saint Lawrence Seaway
- Frontage length: 1
Lot
- Lot size: 3.90 Acres
- Features: Other,See Remarks
- Lot size dimensions: 1 x 1
Parking
- Parking features: No Garage,No Driveway
Climate Risk is Financial Risk
Every home has a financial story beyond the listing price. Below, you’ll see the climate risks that could affect this property — and in Bills & Affordability, how those risks may influence repairs, insurance, utilities, and long-term value.
Biggest Threats for This Home
- Winter Weather
- Inland Flooding
- Ice Storm
- Strong Wind
- Tsunami
How This Home’s Risks Compare
FEMA Declared Disasters in Jefferson County and New York
Understanding the Costs
Financial advisors generally recommend spending no more than 30% of your gross household income on housing costs. In practice, many households stretch to 35% or beyond — especially in high-cost markets.
Estimated Costs Today
| Monthly | Annual | |
|---|---|---|
| Mortgage | $20,200 | $242,400 |
| Home Insurance * | $1,600 | $19,200 |
| Property Taxes | $4,394 | $52,728 |
| Electricity | $961 | $11,537 |
| Total | $27,155 | $325,860 |
Income You'd Need if You Spent...
New York FAIR Plan Programs
How Costs Could Change Over Time
Climate risk is quickly impacting all of the major home ownership costs. Adjust the growth rates and percentage of income spent on housing below to see how your housing costs could change over the next 10 years — and what income you'd need to keep up.
Comparing Against the Market
Price Per Sq Ft
vs Other Active Listings
Avg $/sqft
vs Homes Sold Last Month
Median $/sqft
Current Market Trends
Median Price Per Square Foot
The median price per square foot of homes sold in this area each month. Compare this to this listing's price per square foot to gauge whether the home is priced in line with recent sales.
Historicals for This Listing
Zestimate History ($/sqft)
No zestimate history available
Price History
| Date | Event | Price |
|---|---|---|
| 2025-09-22 | Listed for sale | $3,995,000 |
| 2007-09-27 | Sold | $1,340,000 |
| 2005-09-28 | Sold | $315,146 |
| 2000-01-24 | Sold | $98,240 |
View on Zillow