Boldt Castle & Boldt Yacht House
Built in 1900 as a summer residence for wealthy businessman George C. Boldt, this 120-room castle on Heart Island has been meticulously restored to its original Gilded Age grandeur.
Boldt Castle & Boldt Yacht House is an estate destination wedding venue in NY, United States, hosting up to 150 guests (Aisle estimate), where a wedding for 80 guests costs about US$33,000 (our estimate), reached from Syracuse Hancock International Airport (SYR), 90 minutes by car to Alexandria Bay.
About Boldt Castle & Boldt Yacht House
Built in 1900 as a summer residence for wealthy businessman George C. Boldt, this 120-room castle on Heart Island has been meticulously restored to its original Gilded Age grandeur.
The estate encompasses the main castle, yacht house, and grounds overlooking the St. Lawrence River, offering couples a historic riverside setting with 80+ years of preservation work completed.
Today it functions as both a museum and an exclusive wedding venue that honors its architectural significance.
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Excellent stop on the 1000 island excursion. The architecture was stunning and beautiful and reminded me of castles I visited in Europe. Very well maintained and upkeep was visible throughout. I really enjoyed this one!
Antonio Calabrese · on Google →Capacity, rooms and facilities
Staying over
- Whole property to yourselves
- No
- Whole property must be taken with the wedding
- No
The ceremony
- Outdoor ceremony
- Yes
- Indoor option if it rains
- Yes
Money
- A wedding for 80 guests
- About US$33,000, rooms extraAisle estimate
- Price
- US$2,000 to US$15,000 venue feeAisle estimate
- Venue fee
- US$300
- Included
- Furniture
House rules
- Days of the week
- Any day
Getting there
- Nearest airport
- SYR, 90 min by carAisle estimate
- Step-free access
- Yes
- Guest transport
- No
The spaces
- Reception indoors
- No
- Reception outdoors
- No
- Space for dancing
- No
- Setting
- Island, historic, elegant
The place
- Gardens
- Yes
- Historic building
- Yes
Food and drink
- In-house catering
- No
Venue highlights
- Main castle constructed in 1900 with 120 rooms and over 200,000 square feet of space
- Restoration began in 1975 and continues; the yacht house was fully restored by 2011
- Situated on a private 5.5-acre island in the St. Lawrence River with unobstructed water views
- Accommodates 20 to 150 guests depending on ceremony and reception layout selections
A sample wedding weekend
See the day-by-day outline+
Use this as a starting point and adapt it to your bookings and guests.
- AfternoonRehearsal on castle grounds; guest arrival in Alexandria Bay
- 2:00 PMGuest boat shuttle begins from Alexandria Bay docks to Heart Island
- 3:00 PMCeremony in castle room or terrace overlooking the river
- 4:00 PMCocktail reception on castle grounds or yacht house
- 5:30 PMSeated dinner in historic dining hall
- 8:30 PMReturn boat shuttle to Alexandria Bay begins
Costs and booking details
- Getting there
- SYR · about 1 h 30 by carAisle estimate
Guests fly into Syracuse Hancock International Airport.
- Direct line
- (315) 482-9724
Answered by the venue in local hours.
Questions about the venue
How do guests arrive at the venue?+
Boldt Castle is located on Heart Island and accessible only by boat. The venue coordinates all guest transportation from the mainland docking area in Alexandria Bay.
What ceremonies and receptions can be held here?+
Ceremonies take place on outdoor terraces or in historic indoor rooms. Receptions use dining halls within the castle or the adjacent yacht house, each offering distinct period architectural features.
Are there overnight accommodations on the island?+
The castle does not offer guest lodging. Wedding parties arrange accommodations in Alexandria Bay, which has multiple hotels and inns within 5 to 10 minutes of the ferry docks.
Is the venue available year-round?+
Boldt Castle operates seasonally from May through October. Wedding dates must fall within this window. Winter closures allow for ongoing restoration work.
Can we bring our own vendors?+
The venue maintains preferred vendor lists for catering, flowers, and entertainment. Outside vendors may be permitted with prior approval and coordination through the events team.
Could this be your venue?
Ask about pricing and availability for the month you have in mind. You do not need a fixed date.
Still deciding? Elena is Aisle’s AI wedding planner. Give her a month and a guest count and she will forecast the budget, work out how your guests would travel, and put a first plan on paper. No account needed.
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Sources and booking notes
Confirm your dates, guest numbers, room arrangements and inclusions with the venue before booking. An enquiry does not reserve a date. Figures labelled Aisle estimate are modelled from regional rates and public sources; they are not venue quotes.
Sources for individual venue facts
Whole property to yourselves: No
“Each ceremony is allotted 1 and ½ hours, it is important that you understand that when your scheduled time ends your party must move off the wedding site.”
Read the source for whole property to yourselvesWhole property must be taken with the wedding: No
“Each ceremony is allotted 1 and ½ hours, it is important that you understand that when your scheduled time ends your party must move off the wedding site.”
Read the source for whole property must be taken with the weddingOutdoor ceremony: Yes
“All ceremonies are scheduled for the Dove-Cote located in the courtyard next to the Italian Gardens.”
Read the source for outdoor ceremonyIndoor option if it rains: Yes
“In the event of rain, ceremonies will be held on the covered Veranda at the main Castle.”
Read the source for indoor option if it rainsIn-house catering: No
“Boldt Castle does not have the facilities to host a reception but there are many options for such an event in the 1000 Islands.”
Read the source for in-house cateringVenue fee: US$300
“There is a non-refundable $300.00 site reservation fee (paid upon reservation) plus the cost of admittance for each person, including the wedding party and all guests; $14.00 for adults, $10.00 for children 5-12, 4 and under are free.”
Read the source for venue feeIncluded: Furniture
“We will provide seating for guests including set up and take down.”
Read the source for includedDays of the week: Any day
“It should be noted that weddings can take place any day of the week at Boldt Castle.”
Read the source for days of the weekStep-free access: Yes
“The five-acre island is fully handicapped accessible, has complete restroom facilities, extensive docking for private boats, several picnic areas, a gift shop, and a food and beverage concession.”
Read the source for step-free accessGuest transport: No
“Boldt Castle is located on an Island and does not schedule nor provide transportation for wedding parties or guests.”
Read the source for guest transportReception indoors: No
“Boldt Castle does not have the facilities to host a reception but there are many options for such an event in the 1000 Islands.”
Read the source for reception indoorsReception outdoors: No
“Boldt Castle does not have the facilities to host a reception but there are many options for such an event in the 1000 Islands.”
Read the source for reception outdoorsSpace for dancing: No
“Boldt Castle does not have the facilities to host a reception but there are many options for such an event in the 1000 Islands.”
Read the source for space for dancingSetting: Island, historic, elegant
“Boldt Castle is located on an Island and does not schedule nor provide transportation for wedding parties or guests.”
Read the source for settingGardens: Yes
“Surrounding the 19th century home are numerous gardens containing thousands of flowers as well as several stone structures of the same era, including the Gazebo, Alster Tower, Dove-Cote and the Powerhouse.”
Read the source for gardensHistoric building: Yes
“Built in 1900 by George Boldt as a tribute to the love he felt for his wife Louise, today it remains a testament to their enduring love story.”
Read the source for historic building