Ad #5597485
MLS #26-335086
The Observatory Sun Valley, A Viceroy Resort, offers twelve
300 E River St E 325, Ketchum, ID 83340
$8,235,000
3Beds
4Baths
2,574Sqft
--Acres
About this property
The Observatory Sun Valley, A Viceroy Resort, offers twelve single-level penthouse residences with sweeping mountain views, with only eight remaining. This 3-bedroom, 3.5-bath south-facing residence features a nearly 100-foot-wide floor plan, en suite bedrooms, two terrace balconies overlooking the pool terrace and Trail Creek, and floor-to-ceiling glass in the great room. 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. Located in the center of the hotel's north-south connecting section between the east and west wings, this 2,574-square-foot, south-facing residence features a unique, nearly 100-foot-wide floor plan with 3 bedrooms, 3 en suite baths plus a powder room. The expansive great room offers end-to-end living, dining and kitchen areas, with dramatic floor-to-ceiling glass at its center. Two exterior terrace balconies, one directly off the kitchen and the other off a guest bedroom, overlook the hotel's pool terrace and Trail Creek along the property's southern boundary. The primary suite occupies the far eastern end of the residence, while two guest bedrooms are situated at the western end, providing exceptional separation and privacy. 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. All conveniently located at the gateway to downtown Ketchum and just minutes from the mountain adventures Sun Valley has to offer.
Property Features
3 Beds
4 Baths
2,574 Sqft
Built in 2026
0.000 Acres
1 Story
Siding: Concrete
Membrane Roof
Has Swimming Pool
Has Fireplace
Radiant, Heat Pump (Heating)
Blaine County
Additional Photos
Contact Information
Burnett Properties
Keller Williams Sun Valley Southern Idaho
208-720-0906
Location
Listing Agent: Burnett Properties 208-720-0906
Broker: Keller Williams Sun Valley Southern Idaho 208-622-7722 Listing Site
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.
Broker: Keller Williams Sun Valley Southern Idaho 208-622-7722 Listing Site
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.
BarrierFreeHome.com
Printed Nov 7, 2026
Photo Gallery
$8,235,000
3
Beds
4
Baths
2,574
Sqft
300 E River St E 325, Ketchum, ID 83340
By contacting this agent you agree to these Terms and Conditions.
MLS# 26-335086
$8,235,000
300 E River St E 325, Ketchum, ID 83340
3
Beds
4
Baths
2,574
Sqft
--
Acres
3 Beds
4 Baths
2,574 Sqft
-- Acres
Accessibility Features
Accessible Elevator Installed
The Observatory Sun Valley, A Viceroy Resort, offers twelve
The Observatory Sun Valley, A Viceroy Resort, offers twelve single-level penthouse residences with sweeping mountain views, with only eight remaining. This 3-bedroom, 3.5-bath south-facing residence features a nearly 100-foot-wide floor plan, en suite bedrooms, two terrace balconies overlooking the pool terrace and Trail Creek, and floor-to-ceiling glass in the great room. 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. Located in the center of the hotel's north-south connecting section between the east and west wings, this 2,574-square-foot, south-facing residence features a unique, nearly 100-foot-wide floor plan with 3 bedrooms, 3 en suite baths plus a powder room. The expansive great room offers end-to-end living, dining and kitchen areas, with dramatic floor-to-ceiling glass at its center. Two exterior terrace balconies, one directly off the kitchen and the other off a guest bedroom, overlook the hotel's pool terrace and Trail Creek along the property's southern boundary. The primary suite occupies the far eastern end of the residence, while two guest bedrooms are situated at the western end, providing exceptional separation and privacy. 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. All conveniently located at the gateway to downtown Ketchum and just minutes from the mountain adventures Sun Valley has to offer.
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Property Details
HOME DETAILS
3 Beds
4 Baths
2,574 Sqft
Built in 2026
0.000 Acres
1 Story
EXTERIOR
Siding: Concrete
Membrane Roof
Has Swimming Pool
INTERIOR
Has Fireplace
Radiant, Heat Pump (Heating)
FINANCIAL & COMMUNITY
Blaine County
See More Details
Location
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Ad Statistics
Ad Number
5597485
Viewed
7 times
Listing Status
Active
Added
Nov 06, 2026
Last Refreshed
Nov 07, 2026 05:56:37 PM
Listing Information
Data Source
Sun Valley Board of Realtors
Source Property ID
26-335086
Listing Agent: Burnett Properties 208-720-0906
Broker: Keller Williams Sun Valley Southern Idaho 208-622-7722 Listing Site
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.
Broker: Keller Williams Sun Valley Southern Idaho 208-622-7722 Listing Site
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.
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