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New construction
  • $8,235,000

    300 E River St E #325, Ketchum, ID 83340

    3beds
    2,574sqft
    : 
    $50,506/mo
    Get pre-qualified
    Condominium
    Built in 2026
    -- sqft lot
    $-- Zestimate®
    $3,199/sqft
    $-- HOA

    What's special

    Sweeping mountain viewsEn suite bedrooms
    The Observatory Sun Valley, A Viceroy Resort, offers twelve single-level penthouse residences with sweeping mountain views, with only eight remaining. This 3-bedroom, 3.5-bath south-facing residence features a nearly 100-foot-wide floor plan, en suite bedrooms, two terrace balconies overlooking the pool terrace and Trail Creek, and floor-to-ceiling glass in the great room. 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 center of the hotel's north-south connecting section between the east and west wings, this 2,574-square-foot, south-facing residence features a unique, nearly 100-foot-wide floor plan with 3 bedrooms, 3 en suite baths plus a powder room. The expansive great room offers end-to-end living, dining and kitchen areas, with dramatic floor-to-ceiling glass at its center. Two exterior terrace balconies, one directly off the kitchen and the other off a guest bedroom, overlook the hotel's pool terrace and Trail Creek along the property's southern boundary. The primary suite occupies the far eastern end of the residence, while two guest bedrooms are situated at the western end, providing exceptional separation and privacy. 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.
    4 days
    66
    7

    Zillow last checked:

    Listing updated:

    Listed by:

    Burnett Properties 208-720-0906,

    Keller Williams Sun Valley Southern Idaho

    Source: Sun Valley BOR MLS,MLS#: 26-335086MLS Logo

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 3
      • Bathrooms: 4
      • Full bathrooms: 3
      • 1/2 bathrooms: 1
      Heating
      • Has Heating (Unspecified Type)
      Features
      • Flooring: Wood
      • Has fireplace: Yes
      Interior area
      • Total structure area: 2,574
      • Total interior livable area: 2,574 sqft
      • Finished area above ground: 2,574

      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 Grounds, Sewer, Snow Removal, Trash, Water
      • HOA name: Viceroy Hotel Group
      Location
      • Region: Ketchum

      Financial & listing details

      • Price per square foot: $3,199/sqft
      • Date on market: 11/6/2026
      • Inclusions: Stack W/D, Refrigerator, Range - Elec, Microwave, Dishwasher, Cooktop
      • Road surface type: Paved

        Estimated market value

        Not available

        Estimated sales range

        Not available

        Not available

        Price history

        DateEventPrice
        11/6/2026Listed for sale$8,235,000$3,199/sqft
        Source: Sun Valley BOR MLS #26-335086 Report a problem

        Public tax history

        Tax history is unavailable.

        Monthly payment

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        Payment breakdown

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        All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
        HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
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        Climate risks

        Neighborhood: 83340

        Getting around

        70 / 100
        Very Walkable
        51 / 100
        Bikeable

        Nearby schools

        GreatSchools rating

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