# 120 Keystone, Sun Valley, ID 83353

> **TL;DR:** land, $5,250,000.
> Waterfront. Est. $22,750/mo. Listed 70 days.

## Property at a Glance

| Attribute | Value |
|-----------|-------|
| Price | $5,250,000 |
| Lot Size | 2,265,120 sqft (52.00 acres) |
| Property Type | Land (Other) |
| Status | For Sale |
| Days on Market | 70 |

## Why This Home Stands Out

- **Waterfront** - Direct water access

## Estimated Monthly Costs

| Category | Amount |
|----------|--------|
| Mortgage (20% down, 6.5%) | $22,750 |
| **Total** | **$22,750** |

## Key Amenities

- Waterfront

## Property Highlights

- 52.00 acre lot
- Waterfront

## Description

### Agent Description
Sun Valley Legacy Estate & Development Masterpiece. Discover the pinnacle of mountain living at 120 Keystone St, a premier 52-acre legacy estate in the exclusive Elkhorn area of Sun Valley, Idaho. This rare dual-parcel landholding (18.6 & 33.5 acres) offers a breathtaking canvas for a private horse property or a high-end boutique residential development. The Ultimate Equestrian & Outdoor Retreat: Bordering U.S. Forest Service land, the estate provides unparalleled private canyon access for horseback riding and hiking. Secure your legacy with 1883 water rights (irrigation/stock) and a high-yield well. The property features a serene pond with on-site geothermal potential, creating a year-round alpine oasis for wildlife and residents alike. Developer Upside & Infrastructure: Zoned BC/R-10 with patented mining claims, the land is ready for a luxury compound or multi-homesite project. Utilities (well, septic, buried power) are already installed. Significant val Search address on YouTube for video tours.

## Location

- **Address:** 120 Keystone, Sun Valley, ID 83353
- **County:** Blaine
- **Neighborhood:** Elkhorn Sub
- **Coordinates:** 43.67686147, -114.3066991
- **Google Maps:** https://www.google.com/maps?q=43.67686147,-114.3066991

## Virtual Tour & Media

- **Video Tour:** https://youtu.be/dt4Q_1tvgq4?si=NGYdCyxonsAfk0R3

## Listing Agent

- **Name:** James Tautkus
- **Brokerage:** Keller Williams Sun Valley Southern Idaho
- **Phone:** 2087341288
- **Email:** jamestautkus@kw.com

## Primary Photo

![120 Keystone - Primary Photo](http://lh.rdcpix.com/450bdd70d304a77cc05fd4ebc1bcc2ael-f3979308419r.jpg)

*37 total photos available on [listing page](https://www.propertysimple.com/listing/120-keystone-sun-valley-id-83353-98979014)*

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**MLS#:** 98979014 | **Updated:** 2026-06-18
**Source:** listhub

*Copyright © 2026 Intermountain Multiple Listing Service. 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.com/listing/120-keystone-sun-valley-id-83353-98979014)

---

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  "datePosted": "2026-06-18",
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