630 Rattlesnake Island offers a rare chance to own a boat-access-only property with approximately 300 feet of waterfront on the Broads of Lake Winnipesaukee, one of the lake’s most sought-after settings for big water views, privacy, and the kind of peace that has become almost absurdly hard to find. Set on about 1.5 acres and built on a ledge for a dramatic natural perch above the lake, this is the sort of setting buyers wait for and seldom see at this price point. Built in 1999, the home has solid bones and the unmistakable feel of a cherished family camp. It has not been used for several years and will require updating and TLC, but the opportunity here is not hard to see. For the right buyer, this is a chance to restore, refresh, and reimagine a true Winnipesaukee island retreat in a location where value is driven by frontage, privacy, and setting first. The existing home offers the foundation for something special, whether the vision is a comfortable seasonal escape, a legacy property to keep in the family, or a thoughtful renovation that brings new life to an already remarkable site. There are simply not many opportunities left to purchase this kind of waterfront footprint on Rattlesnake Island with this level of seclusion and potential. Ownership also includes membership in the Rattlesnake Island Association, which maintains mainland access for owners, adding practical convenience to island living. The association owns upper parking and trailer storage plus a lower waterfront area known as “The Landing,” with launch ramp and transient docks for member use. If you have been waiting for a property where location is the headline, privacy is the luxury, and the upside is real, this is worth your attention.
Active
Listed by: Maxfield Real Estate/ Alton
$590,000
630 Rattlesnake Island, Alton, NH 03810
3beds
1,810sqft
Est.:
Single Family Residence
Built in 1999
1.5 Acres Lot
$692,700 Zestimate®
$326/sqft
$-- HOA
What's special
Boat-access-only propertySolid bones
- 7 days |
- 4,041 |
- 212 |
Zillow last checked:
Listing updated:
Listed by:
Vanessa Saunders,
Maxfield Real Estate/ Alton 603-875-3128,
Jen McCullough,
Maxfield Real Estate/Wolfeboro
Source: PrimeMLS,MLS#: 5086444
Tour with a local agent
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 3
- Bathrooms: 1
- Full bathrooms: 1
Heating
- Pellet Stove, Forced Air
Cooling
- None
Appliances
- Included: Microwave, Electric Range, Refrigerator
Features
- Hearth, Living/Dining, Natural Light, Natural Woodwork
- Flooring: Wood
- Basement: Partial,Unfinished,Exterior Entry,Walk-Out Access
- Fireplace features: Wood Stove Insert
Interior area
- Total structure area: 2,220
- Total interior livable area: 1,810 sqft
- Finished area above ground: 1,810
- Finished area below ground: 0
Video & virtual tour
Property
Features
- Levels: Two
- Stories: 2
- Exterior features: Boat Slip/Dock, Deck, Private Dock, Shed
- Has view: Yes
- View description: Water, Lake, Mountain(s)
- Has water view: Yes
- Water view: Water,Lake
- Waterfront features: Deep Water Access, Lake Access, Lake Front, Waterfront
- Body of water: Lake Winnipesaukee
- Frontage length: Water frontage: 300
Lot
- Size: 1.5 Acres
- Features: Country Setting, Trail/Near Trail
Details
- Parcel number: ALTNM79B10
- Zoning description: LR-LAK
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Cape
- Property subtype: Single Family Residence
Materials
- Wood Frame, Vinyl Exterior
- Foundation: Concrete
- Roof: Metal
Condition
- New construction: No
- Year built: 1999
Utilities & green energy
- Electric: 200+ Amp Service
- Utilities for property: Cable Available, Sewer Not Available
Community & HOA
Community
- Subdivision: Rattlesnake Island
HOA
- Amenities included: Master Insurance, Common Acreage, Docks
- Additional fee info: Fee: $160
Location
- Region: Alton Bay
Financial & listing details
- Price per square foot: $326/sqft
- Tax assessed value: $554,600
- Annual tax amount: $7,199
- Date on market: 5/1/2026
- Road surface type: Water
Estimated market value
$692,700
$637,000 - $755,000
$2,425/mo
Price history
| Date | Event | Price |
|---|---|---|
| 5/1/2026 | Listed for sale | $590,000-26.2%$326/sqft |
Source: | ||
| 10/27/2025 | Listing removed | $799,000$441/sqft |
Source: | ||
| 7/8/2025 | Price change | $799,000-6%$441/sqft |
Source: | ||
| 4/26/2025 | Listed for sale | $850,000+3169.2%$470/sqft |
Source: | ||
| 9/22/1995 | Sold | $26,000$14/sqft |
Source: Agent Provided Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2024 | $7,199 -1.5% | $554,600 |
| 2023 | $7,310 +15.9% | $554,600 |
| 2022 | $6,306 +19.9% | $554,600 +47.1% |
| 2021 | $5,259 | $377,000 |
| 2020 | $5,259 +11.5% | $377,000 |
| 2019 | $4,716 -10.6% | $377,000 |
| 2018 | $5,274 +8.8% | $377,000 |
| 2017 | $4,848 +7.5% | $377,000 +18.3% |
| 2016 | $4,508 +12.1% | $318,600 +13% |
| 2015 | $4,023 +5.1% | $281,900 +2% |
| 2014 | $3,828 +0.4% | $276,400 -2.6% |
| 2013 | $3,813 -1.8% | $283,700 |
| 2012 | $3,881 +10.7% | $283,700 +5.7% |
| 2011 | $3,507 +1.5% | $268,300 -8.1% |
| 2009 | $3,454 +2.4% | $292,000 -2.2% |
| 2008 | $3,374 +14.5% | $298,600 +7.1% |
| 2007 | $2,948 | $278,900 |
Find assessor info on the county website
Monthly payment
Est. payment
$3,421/mo
Principal & interest
$2865
Property taxes
$556
More affordability tools
Climate risks
Neighborhood: 03810
Getting around
0 / 100
Car-DependentNearby schools
GreatSchools rating
- 5/10Alton Central School (Elem)Grades: PK-8Distance: 8 mi
- NAProspect Mountain High SchoolGrades: 9-12Distance: 9.1 mi
- 4/10Prospect Mountain High SchoolGrades: 9-12Distance: 9.1 mi
Schools provided by the listing agent
- Elementary: Alton Central School
- Middle: Alton Central School
- High: Prospect Mountain High School
- District: Alton School District SAU #72
Source: PrimeMLS. 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 Hampshire
- Belknap County
- Alton
- 03810
- 630 Rattlesnake Island



