About This Home

This 2-bedroom, 3-bathroom condo at 300 E River St E #310 in Ketchum, ID is listed for $4,750,000 ($3,169 per sqft). Built in 2026, the home offers 1,499 sqft of living space on a N/A lot.

Key Features

  • Built in 2026
  • Fireplace

Property Details

1 story
2 full, 1 half
2-car garage
#310
2026

Amenities

Fireplace
Listing Description

The Observatory Sun Valley, A Viceroy Resort, offers twelve single-level penthouse residences with sweeping mountain views, with only eight remaining. This 2-bedroom east-wing residence features 2 en suite baths plus a powder room, with the second bedroom serving as a hotel lock-off.

Terrace balconies offer eastern views up Trail Creek toward Dollar Mountain and the Pioneers. 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 east wing along Leadville Avenue, this residence offers 1,499 saleable square feet with eastern views up Trail Creek, toward the northwest slope of Dollar Mountain and the Pioneer Mountains. Featuring 2 bedrooms, 2 en suite baths plus a powder room, the residence includes a great room, laundry room, and dry bar with a Sub-Zero 42-bottle undercounter wine refrigerator.

Terrace balconies are located off the great room and primary bedroom, while the second bedroom serves as a hotel lock-off room. 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

$25,404/mo

20% down · 6.5% · 30 years

Principal$3,435
Interest$20,583
Insurance$1,385

Estimates only. Actual payments may vary.

Location

300 E River St E #310

Ketchum, ID 83340

Features & Amenities

Interior Features

Smart ThermostatAir ConditioningElevatorFire SprinklerFireplace GasLock OffMain Flr Primary BdrmWalk-in ClosetWindow CoveringsProgrmabl ThermostatLED LightsWood Flooring

Exterior Features

Assn Hot TubAssn PoolBalconyDeckViewsStorage Closet

Property Details

Flooring

Wood

Construction

Concrete

Outdoor Features

Deck

Heating

Heat Pump (Heating)Radiant

Questions & Answers

This 2-bedroom, 3-bathroom condo at 300 E River St E is listed at $4,750,000 ($3,169/sqft). The estimated monthly payment is $25,404 based on 20% down, a 30-year loan at 6.5% interest, estimated insurance.

Key features include: Built in 2026, Fireplace. Interior Features: Smart Thermostat, Air Conditioning, Elevator. 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# 26-335084· 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 #310, Ketchum, ID 83340

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