Overview
Boldt Castle is a historic castle and tourist attraction located on Heart Island in the Thousand Islands region of the St. Lawrence River. It was built by millionaire hotel magnate George C. Boldt in honor of his wife, Louise.
Boldt Castle is a significant example of the Gilded Age's opulence and the love story behind its construction makes it a unique historical site.
Location
Address
1 Heart Island, Alexandria Bay, New York
Neighborhood: Thousand Islands
Coordinates
44.134100, -75.855800
Visiting Information
Opening Hours
Admission
Best Time to Visit
Overall Best Period
May - October
Best Time of Day
Early morning
fewer crowds
Duration Recommendations
Seasonal Highlights
spring
mild
- • spring flowers
- • gardens
summer
warm to hot
- • extended hours
- • boat tours
autumn
cool
- • fall colors
- • harvest decorations
winter
cold
- • holiday lights
- • indoor exhibits
Know Before You Go
Essential Information
- Book tickets in advance
- Bring ID
- Check weather and opening times
What to Bring
essential
recommended
seasonal
not allowed
Health & Safety
Physical Requirements: moderate
- • stairs
- • uneven surfaces
Medical facilities: first aid available
Payment Information
Accepted
cash, credit cards
Currency
USD
Typical Costs
Dress Code
casual, comfortable shoes, weather-appropriate clothing, walking shoes, inappropriate clothing, high heels
Booking Tips
- • 1-2 weeks
- • official website
- • 48 hours
- • available
Amenities
Digital Services
Mobile App
Boldt Castle Official App
Size: 45 MB
Features: Map, Audio guide, Tickets, Event calendar
Platforms: iOS, Android
WiFi Zones: Visitor center, Cafe
Charging Stations: Visitor center, Cafe
How to Reach
From Airport
Nearest: Watertown International Airport
Distance: 45 km
Travel Time: 45 minutes
From City Center
Distance: 2 km
Local Insights
Cultural Context
Why Locals Love It: Historic importance, beautiful setting, unique love story
Historical Significance: Built as a testament to love, abandoned after the death of Boldt's wife, restored by the Thousand Islands Bridge Authority
Insider Tips
- Early morning visits offer quieter experience
- Best views from the tower are in the afternoon
- Local cafes offer great maple syrup treats
Local Recommendations
- • Try local maple syrup
- • Ask for guide John's tour
- • Visit nearby Antique Boat Museum
Language Help
Useful Phrases
Guide Languages: English, French, German
Photography Guide
Best Photo Spots
Boldt Castle Main Gate
Best Time: Golden hour
Tips: Low angle for grandeur
Result: Impressive gate shot
Photography Rules
Nearby Attractions
Antique Boat Museum
Distance: 1km
Walking: 15 min
Type: Museum
Chateau Lacadie
Distance: 3km
Walking: 45 min
Type: Historic Site
Thousand Islands Skydeck
Distance: 5km
Walking: 70 min
Type: Viewpoint
Reviews
Based on 5,000 reviews
Recent Visitor Tips
- "Book online to skip the line"
- "Visit early for the best experience"
- "Don't miss the tower view"
- "Wear comfortable shoes"
Contact Information
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Available Tours
7
Rating
4.7 / 5.0
Reviews
5,000
Adult Entry
$17.50