The Observatory Sun Valley, A Viceroy Resort, offers twelve single-level penthouse residences with sweeping mountain views, with only eight remaining. This extraordinary northwest-corner, fourth-floor residence features 3 bedrooms, 3 en suite baths plus a powder room and office. Enjoy views west to Bald Mountain, north from the dining room and primary suite, and south from two bedrooms. 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.
This extraordinary northwest-corner residence is located on the building's fourth floor and offers 3,484 livable square feet. Featuring 3 bedrooms, 3 en suite baths plus a powder room and office space, the residence enjoys views west to Bald Mountain from the great room, north from the dining room and primary suite, and south from two bedrooms. The spacious primary suite features an exceptionally large closet and bathroom.
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, café, 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.
Under contract
$11,950,000
300 E River St E #430, Ketchum, ID 83340
3beds
3,484sqft
Condominium
Built in 2026
-- sqft lot
$-- Zestimate®
$3,430/sqft
$-- HOA
What's special
Office spaceSweeping mountain viewsNorthwest-corner fourth-floor residenceSpacious primary suitePowder room
- 4 days
- 62
- 4
Zillow last checked:
Listing updated:
Listed by:
Burnett Properties 208-720-0906,
Keller Williams Sun Valley Southern Idaho
Source: Sun Valley BOR MLS,MLS#: 26-335091
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 3
- Bathrooms: 4
- Full bathrooms: 3
- 1/2 bathrooms: 1
Heating
- Has Heating (Unspecified Type)
Features
- Flooring: Wood
Interior area
- Total structure area: 3,484
- Total interior livable area: 3,484 sqft
- Finished area above ground: 3,484
Property
Details
- Parcel number: RPK00000830020
- Zoning: K/T
Construction
Type & style
- Home type: Condo
- Architectural style: Contemporary,1st Floor Primary
- Property subtype: Condominium
Materials
- Concrete
Condition
- New Construction
- New construction: Yes
- Year built: 2026
Community & HOA
HOA
- Has HOA: Yes
- Services included: Insurance, Maintenance Structure, Sewer, Snow Removal, Trash, Water
- HOA name: Viceroy Hotel Group
Location
- Region: Ketchum
Financial & listing details
- Price per square foot: $3,430/sqft
- Date on market: 11/6/2026
- Inclusions: Stack W/D, Refrigerator, Range - Elec, Oven - Elec, Microwave, Hood Fan, Disposal, Dishwasher
- Road surface type: Paved
Estimated market value
Not available
Estimated sales range
Not available
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 11/6/2026 | Contingent | $11,950,000$3,430/sqft |
Source: | ||
| 11/6/2026 | Listed for sale | $11,950,000$3,430/sqft |
Source: | ||
Public tax history
Tax history is unavailable.
Monthly payment
Est. payment
