300 E River St E, Ketchum, ID 83340

LATEST
bedrooms 3
bathrooms 4
|Apartment
NZD $15,973,947
USD $9,000,000
Published on: 07 Nov 2026
Last updated on: 07 Nov 2026
300 E River St E, Ketchum, ID 83340
300 E River St E, Ketchum, ID 83340
300 E River St E, Ketchum, ID 83340
+13
300 E River St E, Ketchum, ID 83340
  • 13
Property ID: 110121077808
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Residential, 1 Story, Ketchum, ID

300 E River St E, Ketchum, ID 83340
The Observatory Sun Valley, A Viceroy Resort, offers twelve single-level penthouse residences with sweeping mountain views, with only eight remaining. This 3-bedroom residence features 3 en suite baths plus a powder room, three-sided west, south and east views, with Bedroom 3 serving as a hotel lock-off room. A covered outdoor terrace features radiant snowmelt. Adorning The Observatory Sun Valley, A Viceroy Resort, twelve single-level penthouse residences with sweeping views of Idaho's Rocky Mountains are coming to life. Only eight remain available. East wing, Leadville Avenue side, and the southernmost floor plan. 2,818 saleable square feet includes a three sided (west, south and east views), 3-bedroom, 3-ensuite bathroom floor plan with powder room, great room (kitchen, living, dining), pantry, laundry room with LG stacked washer dryer unit and cabinet storage and sink and faucet, wet bar with Sub Zero 42 bottle, undercounter wine refrigerator. This residence features Bedroom 3 as lock-off hotel room unit allowing the Residence owner the flexibility of placing this bedroom (fully furnished as a hotel room to our hotel luxury design standards) into the hotel room rental pool. The residence also features an exterior outdoor covered terrace of 247 square feet with pedestal supported porcelain pavers with radiant snowmelt that is assigned as limited common area to this residence. Ownership of these singular residences includes highly personalized service and access to a full suite of amenities, from a spa and fitness center to thermal pools, meeting spaces, cafe, restaurant, bar, ski concierge, and a state of the art observatory conveniently located at the gateway to downtown Ketchum and just minutes from all the mountain adventures Sun Valley has to offer.

Property Details

Basic Info

Property Type
Apartment
Listing Status
Active
Building Size
261.80 m2
Year Built
2026
Rooms
3 bedroom(s), 4 bathroom(s)
Architecture Style
Contemporary
Num Floors
1
County
Blaine
Parcel ID
RPK00000830020
Provider
Sun Valley Board of Realtors
Brokerage Office Name
Keller Williams Sun Valley Southern Idaho
Brokerage Office Phone
(208) 622-7722
Neighbourhoods
Ketchum
Address
300 E River St E, Ketchum, ID 83340
Contact Agent
Burnett Properties
Keller Williams Sun Valley Southern Idaho
647 Filer Ave Suite 101, Twin Falls, ID 83301
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Burnett Properties
647 Filer Ave Suite 101, Twin Falls, ID 83301
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      Property ID: 110121077808

      Original Property ID: 3yd-SVBORID-26-335083
      Data provided by Sun Valley Board of Realtors, MLS #: 26-335083
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      Copyright © 2026 Sun Valley Board of Realtors. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.