Ad #5597483
MLS #26-335088
The Observatory Sun Valley, A Viceroy Resort, offers twelve
300 E River St E 335, Ketchum, ID 83340
$5,200,000
2Beds
3Baths
1,536Sqft
--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 2-bedroom, 2-bath west-wing residence features full western views of Bald Mountain, including the Roundhouse and Seattle Ridge. 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 west wing on the Highway 75 side, this 1,536-square-foot residence features 2 bedrooms, 2 bathrooms, and full western views of Bald Mountain, the Roundhouse and Seattle Ridge. The floor plan is virtually a mirror image of Residence 310. 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
1,536 Sqft
Built in 2026
0.000 Acres
1 Story
Siding: Concrete
Membrane, Composition Roof
Has Swimming Pool
Has Fireplace
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 8, 2026
Photo Gallery
$5,200,000
2
Beds
3
Baths
1,536
Sqft
300 E River St E 335, Ketchum, ID 83340
By contacting this agent you agree to these Terms and Conditions.
MLS# 26-335088
$5,200,000
300 E River St E 335, Ketchum, ID 83340
2
Beds
3
Baths
1,536
Sqft
--
Acres
2 Beds
3 Baths
1,536 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 2-bedroom, 2-bath west-wing residence features full western views of Bald Mountain, including the Roundhouse and Seattle Ridge. 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 west wing on the Highway 75 side, this 1,536-square-foot residence features 2 bedrooms, 2 bathrooms, and full western views of Bald Mountain, the Roundhouse and Seattle Ridge. The floor plan is virtually a mirror image of Residence 310. 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
1,536 Sqft
Built in 2026
0.000 Acres
1 Story
EXTERIOR
Siding: Concrete
Membrane, Composition Roof
Has Swimming Pool
INTERIOR
Has Fireplace
Heat Pump (Heating), Radiant
FINANCIAL & COMMUNITY
Blaine County
See More Details
Location
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Ad Statistics
Ad Number
5597483
Viewed
9 times
Listing Status
Active
Added
Nov 06, 2026
Last Refreshed
Nov 08, 2026 09:56:05 PM
Listing Information
Data Source
Sun Valley Board of Realtors
Source Property ID
26-335088
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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