Ad #5597481
MLS #26-335090
The Observatory Sun Valley, A Viceroy Resort, offers twelve
300 E River St E 420, Ketchum, ID 83340
$6,800,000
2Beds
3Baths
2,123Sqft
--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 top-floor, 2-bedroom residence features 2 en suite baths plus a powder room, office space, north-facing views to Griffin Butte and the Boulders, south-facing valley views, and partially exposed wood purlin ceilings. 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 just off the center of the building's connecting north-south section, this 2,123-square-foot residence is one of only two remaining on the fourth and top floor. Featuring 2 bedrooms, 2 en suite baths plus a powder room, the residence offers north-facing views to Griffin Butte and the Boulders from the great room and primary bedroom, while the second bedroom enjoys southern views down the Wood River Valley. The floor plan includes a spacious kitchen, pantry, laundry room, and office space. Partially exposed wood purlin ceilings reflect the building's distinctive butterfly roof design. 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
2 Beds
3 Baths
2,123 Sqft
Built in 2026
0.000 Acres
1 Story
Siding: Concrete
Membrane Roof
Has Swimming Pool
Heat Pump (Heating), Radiant
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
$6,800,000
2
Beds
3
Baths
2,123
Sqft
300 E River St E 420, Ketchum, ID 83340
By contacting this agent you agree to these Terms and Conditions.
MLS# 26-335090
$6,800,000
300 E River St E 420, Ketchum, ID 83340
2
Beds
3
Baths
2,123
Sqft
--
Acres
2 Beds
3 Baths
2,123 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 top-floor, 2-bedroom residence features 2 en suite baths plus a powder room, office space, north-facing views to Griffin Butte and the Boulders, south-facing valley views, and partially exposed wood purlin ceilings. 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 just off the center of the building's connecting north-south section, this 2,123-square-foot residence is one of only two remaining on the fourth and top floor. Featuring 2 bedrooms, 2 en suite baths plus a powder room, the residence offers north-facing views to Griffin Butte and the Boulders from the great room and primary bedroom, while the second bedroom enjoys southern views down the Wood River Valley. The floor plan includes a spacious kitchen, pantry, laundry room, and office space. Partially exposed wood purlin ceilings reflect the building's distinctive butterfly roof design. 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
2 Beds
3 Baths
2,123 Sqft
Built in 2026
0.000 Acres
1 Story
EXTERIOR
Siding: Concrete
Membrane Roof
Has Swimming Pool
INTERIOR
Heat Pump (Heating), Radiant
FINANCIAL & COMMUNITY
Blaine County
See More Details
Location
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Ad Statistics
Ad Number
5597481
Viewed
5 times
Listing Status
Active
Added
Nov 06, 2026
Last Refreshed
Nov 07, 2026 07:07:17 PM
Listing Information
Data Source
Sun Valley Board of Realtors
Source Property ID
26-335090
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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