About This Home

This 2-bedroom, 3-bathroom condo at 300 E River St E #420 in Ketchum, ID is listed for $6,800,000 ($3,203 per sqft). Built in 2026, the home offers 2,123 sqft of living space on a N/A lot.

Key Features

  • Built in 2026

Property Details

1 story
2 full, 1 half
2-car garage
#420
2026
Listing Description

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.

Monthly Cost Estimate

$36,368/mo

20% down · 6.5% · 30 years

Principal$4,918
Interest$29,467
Insurance$1,983

Estimates only. Actual payments may vary.

Location

300 E River St E #420

Ketchum, ID 83340

Features & Amenities

Interior Features

Air ConditioningElevatorFire SprinklerMain Flr Primary BdrmWalk-in ClosetWindow CoveringsLED LightsWood Flooring

Exterior Features

Assn Hot TubAssn PoolBalconyViewsStorage Closet

Property Details

Flooring

Wood

Construction

Concrete

Heating

Heat Pump (Heating)Radiant

Questions & Answers

This 2-bedroom, 3-bathroom condo at 300 E River St E is listed at $6,800,000 ($3,203/sqft). The estimated monthly payment is $36,368 based on 20% down, a 30-year loan at 6.5% interest, estimated insurance.

Key features include: Built in 2026. Interior Features: Air Conditioning, Elevator, Fire Sprinkler. Exterior Features: Assn Hot Tub, Assn Pool, Balcony.

This property is listed by Burnett Properties.

BP

Burnett Properties

Agent at Keller Williams Sun Valley Southern Idaho

Listed by Keller Williams Sun Valley Southern Idaho · Broker phone: (208) 622-7722 · View on Broker Site

MLS# 26-335090· Source: Sun Valley Board of Realtors· 5 days on PropertySimple

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.

300 E River St E #420, Ketchum, ID 83340

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