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.
Active
$3,995,000
48920 Sport Is, Alexandria Bay, NY 13607
11beds
5,818sqft
Single Family Residence
Built in 1880
3.9 Acres Lot
$-- Zestimate®
$687/sqft
$-- HOA
What's special
Main housePrivate islandPanoramic ship viewsBreathtaking sunsetsWood-mode cabinetryCharming cottagesGorgeous wainscoting and moldings
- 287 days |
- 1,120 |
- 37 |
Zillow last checked:
Listing updated:
Listed by:
Garlock Realty 315-482-6000,
Cathy F Garlock 315-482-6000
Source: NYSAMLSs,MLS#: S1639291
Originating MLS: Jefferson-Lewis Board
Originating MLS: Jefferson-Lewis BoardLoading...
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 11
- Bathrooms: 4
- Full bathrooms: 4
- Main level bathrooms: 1
- Main level bedrooms: 1
Heating
- Electric, Baseboard
Appliances
- Included: Electric Water Heater
- Laundry: Main Level
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
- Basement: Partial
- Has fireplace: No
Interior area
- Total structure area: 5,818
- Total interior livable area: 5,818 sqft
Video & virtual tour
Property
Parking
- Parking features: No Garage, No Driveway
Features
- Stories: 3
- On waterfront: Yes
- Waterfront features: Beach Access, Dock Access, River Access, Stream
- Body of water: Saint Lawrence Seaway
- Frontage length: 1
Lot
- Size: 3.9 Acres
- Dimensions: 1 x 1
- Features: Other, See Remarks
Details
- Additional structures: Boat House
- Parcel number: 2222890030060001002000
- Special conditions: Standard
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Cottage,Two Story
- Property subtype: Single Family Residence
Materials
- Wood Siding
- Foundation: Block, Stone
- Roof: Architectural,Shingle
Condition
- Resale
- Year built: 1880
Utilities & green energy
- Electric: Circuit Breakers
- Sewer: Other, See Remarks
- Water: Other, See Remarks
Community & HOA
Location
- Region: Alexandria Bay
Financial & listing details
- Price per square foot: $687/sqft
- Tax assessed value: $1,175,000
- Annual tax amount: $30,081
- Date on market: 9/22/2025
- Listing terms: Cash,Conventional
Estimated market value
Not available
Estimated sales range
Not available
$3,728/mo
Price history
| Date | Event | Price |
|---|---|---|
| 9/22/2025 | Listed for sale | $3,995,000+198.1%$687/sqft |
Source:  NYSAMLSs #S1639291 Report a problem | ||
| 9/27/2007 | Sold | $1,340,000+325.2%$230/sqft |
Source: Public Record Report a problem | ||
| 9/28/2005 | Sold | $315,146+220.8%$54/sqft |
Source: Public Record Report a problem | ||
| 1/24/2000 | Sold | $98,240$17/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | -- | $1,175,000 |
| 2024 | -- | $1,175,000 |
| 2023 | -- | $1,175,000 |
| 2022 | -- | $1,175,000 |
| 2021 | -- | $1,175,000 |
| 2020 | -- | $1,175,000 |
| 2019 | -- | $1,175,000 |
| 2018 | -- | $1,175,000 |
| 2017 | $23,787 | $1,175,000 |
| 2016 | -- | $1,175,000 |
| 2015 | -- | $1,175,000 |
| 2014 | -- | $1,175,000 |
| 2013 | -- | $1,175,000 |
| 2012 | -- | $1,175,000 |
| 2011 | -- | $1,175,000 |
| 2008 | -- | $1,175,000 |
| 2007 | -- | $1,175,000 +161.1% |
| 2005 | -- | $450,000 |
| 2004 | -- | $450,000 |
| 2003 | -- | $450,000 |
| 2002 | -- | $450,000 |
| 2001 | -- | $450,000 |
| 2000 | -- | $450,000 |
Find assessor info on the county website
Monthly payment
Estimated monthly payment$1,822
All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
See how much you could borrow to make a competitive offer.
Climate risks
Neighborhood: 13607
Nearby schools
GreatSchools rating
- 4/10Alexandria Central Elementary SchoolGrades: PK-6Distance: 2.9 mi
- 6/10Alexandria Central High SchoolGrades: 7-12Distance: 2.9 mi
Schools provided by the listing agent
- Elementary: Alexandria Central Elementary
- Middle: Alexandria Central Jr-Sr Hs
- High: Alexandria Central High
- District: Alexandria
Source: NYSAMLSs. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
A local agent can set up tours, give advice and negotiate with sellers.
- New York
- Jefferson County
- Alexandria Bay
- 13607
- 48920 Sport Is
Nearby cities
Nearby zip codes
Other Alexandria Bay Topics
