# 300 E River St E #325, Ketchum, ID 83340 > **TL;DR:** 3bd/4ba condo, $8,235,000 ($3199/sqft), built 2026, 2,574 sqft. > Fireplace, 2-car garage. Est. $44,043/mo. Listed 6 days. ## Property at a Glance | Attribute | Value | |-----------|-------| | Price | $8,235,000 | | Price/sqft | $3199 | | Bedrooms | 3 | | Bathrooms | 3 full, 1 half | | Square Feet | 2,574 | | Year Built | 2026 | | Stories | 1 | | Garage | 2-car | | Property Type | Condo (Condominium) | | Status | Active | | Days on Market | 6 | ## Estimated Monthly Costs | Category | Amount | |----------|--------| | Principal & Interest (20% down, 30-year at 6.5%) | $41,641 | | Estimated Insurance | $2,402 | | **Total** | **$44,043** | ## Key Amenities - Fireplace - 2-car garage ## Property Highlights - Built in 2026 - Fireplace ## Description ### Agent Description 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, 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. ## Location - **Address:** 300 E River St E #325, Ketchum, ID 83340 - **County:** Blaine - **Coordinates:** 43.678985, -114.361242 - **Google Maps:** https://www.google.com/maps?q=43.678985,-114.361242 ## Listing Agent - **Name:** Burnett Properties - **Brokerage:** Keller Williams Sun Valley Southern Idaho - **Broker Phone:** (208) 622-7722 - **Listing URL:** [View original listing](https://www.realtor.com/realestateandhomes-detail/300-E-River-St_Ketchum_ID_83340_M99517-02014?f=listhub&s=SVBORID-26&m=335086&c=propsimple) ## Photos ![300 E River St E #325 - Photo 1](http://lh.rdcpix.com/ec3e7d5bcdd651366071592634da585al-f3552000840r.jpg) ![300 E River St E #325 - Photo 2](http://lh.rdcpix.com/ec3e7d5bcdd651366071592634da585al-f60273731r.jpg) ![300 E River St E #325 - Photo 3](http://lh.rdcpix.com/ec3e7d5bcdd651366071592634da585al-f980030186r.jpg) ![300 E River St E #325 - Photo 4](http://lh.rdcpix.com/ec3e7d5bcdd651366071592634da585al-f2518331464r.jpg) ![300 E River St E #325 - Photo 5](http://lh.rdcpix.com/ec3e7d5bcdd651366071592634da585al-f1865536191r.jpg) ![300 E River St E #325 - Photo 6](http://lh.rdcpix.com/ec3e7d5bcdd651366071592634da585al-f2774018583r.jpg) ![300 E River St E #325 - Photo 7](http://lh.rdcpix.com/ec3e7d5bcdd651366071592634da585al-f690843927r.jpg) ![300 E River St E #325 - Photo 8](http://lh.rdcpix.com/ec3e7d5bcdd651366071592634da585al-f1201123385r.jpg) ![300 E River St E #325 - Photo 9](http://lh.rdcpix.com/ec3e7d5bcdd651366071592634da585al-f4157809413r.jpg) ![300 E River St E #325 - Photo 10](http://lh.rdcpix.com/ec3e7d5bcdd651366071592634da585al-f2135985516r.jpg) ![300 E River St E #325 - Photo 11](http://lh.rdcpix.com/ec3e7d5bcdd651366071592634da585al-f1860635475r.jpg) --- **MLS#:** 26-335086 | **Updated:** 2026-11-09 **Source:** listhub *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.* [View on PropertySimple](https://www.propertysimple.ai/listing/300-e-river-st-e-ketchum-id-83340-00c9f258cab64410bd5742c13a70337d) --- ## Structured Data ```json { "@context": "https://schema.org", "@type": "RealEstateListing", "@id": "https://www.propertysimple.ai/listing/300-e-river-st-e-ketchum-id-83340-00c9f258cab64410bd5742c13a70337d#listing", "url": "https://www.propertysimple.ai/listing/300-e-river-st-e-ketchum-id-83340-00c9f258cab64410bd5742c13a70337d", "name": "300 E River St E #325, Ketchum, ID 83340", "description": "The Observatory Sun Valley, A Viceroy Resort, offers twelve single-level penthouse residences with sweeping mountain views, with only eight remaining. 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