300 E River St E #430 Ketchum, ID 83340 Active Under Contract

UPDATED: 11/07/2026 03:50 AM ON MARKET: 4 days on market

$11,950,000

3 Beds3.5 Baths3,484 SqFt

Key Details

Property Type Condo

Sub Type Condominium

Listing Status Active Under Contract

Purchase Type For Sale

Square Footage 3,484 sqft

Price per Sqft $3,429

MLS Listing ID 26-335091

Style 1 Story,Contemporary,1st Floor Primary

Bedrooms 3

HOA Y/N Yes

Year Built 2026

Tax Year 2026

Property Sub-Type Condominium

Source Sun Valley Board of REALTORS®

Land Area 3484

Property Description

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.