Brun Arche Round Island Private Island 1000 Islands St Lawrence River Clayton NY

A home with history. At 138 years old, Brun Arche carries the character of its past. Expect charm, idiosyncrasies, and a sense of place that modern builds simply cannot replicate.

Brun Arche is more than a place to stay—it’s an immersion into an unhurried way of life, where days unfold to the rhythm of the river and evenings are measured in golden light and quiet conversation. It is, at its heart, a home—not just for those who stay, but for those who embrace its story.

First Floor: A Welcome with Presence
• The Archives Room – Once a study, now a quiet space filled with photographs and stories from generations past.
• The Parlour – A cozy retreat with deep armchairs and a discreet Roku TV for the rare rainy afternoon.
• The Dining Room – Seats 6-8
• The Bar – A former butler’s pantry turned wet bar, the perfect prelude to an evening on the breezeway.
• The Kitchen – Expansive windows overlook the shipping channel, offering a front-row seat to the slow procession of freighters.
• Screened Breezeway Dining – The true heart of the home. Seating for 10+, where breakfast, lunch, and dinner unfold against a backdrop of river views.
• Powder Room – Conveniently tucked away near the kitchen.

Second Floor: Private Quarters with a Sense of History
• Red Room & Blue Room – Twin beds, each with a sink & mirror—simple, timeless, serene.
• Captain’s Quarters – A commanding space with a queen bed, seating area, and sweeping river views. Includes a private bath with a compact shower.
• Cherry Room – Queen bed, a study in understated comfort.
• Main Bath – Clawfoot tub, river views—proof that even routine moments deserve a little grandeur.

Third Floor: A Lofted Hideaway
• The Dorm – A spacious retreat with a full size bed, three twins, and a game table—ideal for nightcaps and card games.
• River Room & The Penthouse – Queen beds with water views.
• Petite Bath – A small but well-placed convenience at the top of the stairs.

The Grounds: An Invitation to Unwind
• The Dock – The perfect perch for swimming, fishing, or simply watching the river unfold.
• The Lawn – Wide, green, and made for leisurely afternoons of bocce ball and sunset cocktails.
• Adirondack Chairs at “The Bay” – Six chairs positioned for the best views of the golden hour.
• Outdoor Heated Shower – Simple pleasure, whether rinsing off after a swim or unwinding under a starlit sky.

Island Traditions & Distinctions
• Frontenac USPS Post Office – The only remaining structure from the once famous Gilded Age New Frontenac Hotel that burned down in 1911. Still a working post office today for island residents with daily mail service.
• The Tennis Court – A short stroll away, lined for both tennis and pickleball.

Getting here: Round Island is BOAT-ACCESS ONLY—you must have your own boat or arrange a water taxi from Clayton.

✔ Exclusive use of the entire property, except owners closet and garage.
✔ Private dock for swimming, fishing, and boating.
✔ Access to island tennis courts, Frontenac Post Office, and scenic pathways.

Safety First
• Life jackets are strongly advised for children near the water.
• Open flames are strictly prohibited. A propane grill is available.
• Additional charges apply for unregistered overnight guests.

Island Living Essentials
• Water is NOT drinkable. We provide two 5-gallon starter supply that must be replaced prior to departure.
• Quiet hours: 11:00 PM – 7:00 AM (respect the island vibes!).

Island Traditions & Vibes
• Sunday Vespers at the Post Office: A weekly BYOB cocktail hour where islanders & guests mingle. Held every Sunday during the regular season, just bring a snack, meet your neighbors, and soak in the Round Island spirit!

Brun Arche isn’t just a place to stay—it’s an experience. If you’re ready to disconnect from the ordinary and immerse yourself in the rhythm of the river, this is your kind of place.

Welcome to the Thousand Islands. Welcome to Brun Arche.

Social handle @brunarche

Boat Rentals: Spicer Marine, Clayton Marina, Bayside Marina
Boat Taxi: RJ's Marine