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Lost Trails

9 bedrooms·8.5 bathrooms·23 guests·6,000 sq/ft
Mountains

Nestled in the peaceful Lost Trails neighborhood, 777 Lost Trails is a stunning 6,000-square-foot custom-built mountain retreat offering unparalleled privacy and breathtaking views of Wilson Peak and the surrounding mountain ranges. Featuring eight spacious bedrooms, two lofts, and multiple inviting living areas, this luxurious home is thoughtfully designed for comfort, relaxation, and memorable gatherings. Vaulted ceilings, elegant fireplaces, and a gourmet chef’s kitchen create a warm yet sophisticated atmosphere, while the private primary suite offers a serene escape with a soaking tub, cozy fireplace, and beautiful mountain surroundings. Designed for both adventure and relaxation, this exceptional retreat features a game room, fully equipped home gym, sauna, wet bar, and a separate upper-level apartment with its own kitchen and living space. Ideally situated just 10 to 15 minutes from Big Sky Resort and Town Center, the home offers convenient access to world-class skiing, scenic hiking trails, mountain biking, and vibrant local attractions. Whether enjoying snowy winter adventures or exploring Montana’s spectacular summer landscapes, 777 Lost Trails provides an unforgettable mountain getaway where luxury, privacy, and natural beauty come together.

Our promise

Satisfaction Guarantee

We've reviewed thousands of homes and approve only the best. Each one is professionally managed and vetted for comfort and style, raising the bar for every stay.

KEY Curation Notes

Wilson Peak views frame this home from nearly every angle. The Lost Trails setting feels remote, yet Town Center and Big Sky Resort are each 10 to 15 minutes away.
The lower level is built for play. A craps table and wet bar with a wine fridge anchor the space. A gym with a Peloton and free weights sits alongside a private sauna.
Cooks have room to work in the chef’s kitchen. Luxury appliances fill the main level, and a private chef can be arranged. A second full kitchen in the upper apartment gives extended groups their own base.
Fireplaces warm several living spaces. The vaulted living room has a wood-burning hearth. The family room adds a gas fireplace and balcony access.
Winter brings 5,850 skiable acres within a short drive. Summer swaps in Music in the Mountains and Yellowstone trips. The Uplands and Hummocks trails in Town Center are top picks for mountain biking.

Amenities

Indoor
Gourmet kitchen
Fireplace
Wine refrigerator
Extra Pillows & Blankets
Dishwasher
Outdoor
Outdoor grill
Misc
Multipurpose Space with Craps Table, Assault Bike, and Toys for Kids
WiFi

Elevate your stay with add-on services

Book a home, then customize your experience. From ski delivery to pre-arrival groceries, we coordinate everything you need so you can make memories on the mountain and stories by the fire.

Ski fitting + delivery

Ski fitting + delivery

Pre-arrival groceries

Pre-arrival groceries

Private chef

Private chef

Alcohol delivery

Alcohol delivery

Private driver

Private driver

Charcuterie board delivery

Charcuterie board delivery

Bedroom details

Bedroom 1 - Primary: King
Bedroom 2: King
Bedroom 3: Queen + Twin
Bedroom 4: King + Two Twins
Bedroom 5 - In Law Suite: Double
Bedroom 6: King
Bedroom 7: Queen
Bedroom 8: King
Bedroom 9: Queen
Loft: Queen Over Queen Bunk + Trundle
Upper Loft in the in-law suite: Single Over Double Bunk

Location

Inside the destination

**Neighborhood: **Lost Trails - Nestled on a spacious 20-acre lot, this custom-built luxury home offers immense privacy and unparalleled panoramic views of Wilson Peak. It is perfectly positioned halfway between the bustling Town Center and the ski slopes, putting both major hubs within a convenient 10 to 15-minute drive.

Parking information

The estate features a spacious, 3-car heated garage along with an expansive driveway that accommodates multiple additional vehicles. Please note that because of the property's mountain terrain and winter weather, a four-wheel-drive (4WD) vehicle is strictly required for safe access from October through May.

We're here to help

Whether you have questions on this home or want us to source other options, we're a message away!

Policies

Check-in: 4:00 PM
Check-out: 10:00 AM
No smoking allowed
Events allowed
No pets

Cancellation policy

Plans change, we get it.

Enjoy peace of mind when booking with KEY.co.

Partial Refund: Receive a 90% refund when you cancel your reservation at least 60 days before check-in.

No Refund: Reservations canceled 59 days or less before check-in are not eligible for a refund.

Refunds subject to a 5% processing fee of the total.

Things you need to know

Spacious living areas feature vaulted ceilings, a wood-burning fireplace, and a separate family room with a cozy gas fireplace and balcony access, creating inviting spaces for relaxation and gatherings.

The gourmet chef’s kitchen features luxury appliances and ample space for preparing meals and entertaining. A second fully equipped kitchen in the upper-level apartment provides added convenience for larger groups.

Surrounded by breathtaking views of Wilson Peak and the surrounding mountain ranges, the home offers exceptional privacy in a peaceful mountain setting. A balcony provides a beautiful spot to take in the natural scenery and fresh mountain air.

Special events, celebrations, and large gatherings require special approval and need to be approved during the booking process - You may put down a 50% deposit, if the event is not approved we will release the funds.

We highly recommend a 4-wheel drive with winter tires in the winter months (October-May). We don't believe it's a necessity for the summer months but do find it a good idea.

Like most homes in the area, this home does not have A/C.

What We Provide:

1. Linens: Sheets, Pillows, Blankets, Comforters, Body Towels, Hand Towels, Hot Tub Towels

2. Hygiene: Hand soap, Body Wash, Shampoo, Conditioner, Hairdryers

3. Household: Toilet Paper, Tissues

4. Kitchen: Garbage bags, Ziplock bags, Reynold Wrap, Saran Wrap, Dishwashing Tabs, Dish Soap, Sponges, Cleaning Supplies

5. Laundry: Laundry Soap, Bleach, Dryer Sheets, Vacuum, Iron, and Ironing Board

Summer guests are encouraged to participate in good ole' Montana A/C, which opens windows at night and closes them up during the day. Closing them during the day will help keep cool air inside, and we ask that you do so if you are not present at home as well.

SKI ACCESS – We cannot guarantee the snow conditions at the time of your rental and are in no way liable for snow conditions that contribute to limited or restricted ski access.

Most cell phones get good reception, but please check with your service provider to determine coverage.

Restrictions

Guests & Occupancy

  • Maximum Occupancy: Limited to the number listed in the property description and booking invoice. Exceeding it without written consent results in immediate termination, eviction of all occupants, and forfeiture of all rent paid.
  • Approved Use: Residential use only.

Events & Noise

  • Events: Large gatherings, parties, and commercial events require formal, separate approval before booking.
  • Quiet Hours: 11:00 PM to 8:00 AM. Loud or disruptive behavior affecting neighbors is not permitted.

Prohibited Activities

  • Pets: No animals of any kind without prior explicit authorization from management.
  • Smoking: Prohibited inside, on, or near the property; $150 ionization and deep-cleaning fee.
  • Fireworks: Prohibited anywhere on the property at all times.

Equipment & Amenities

  • Air Conditioning: Not provided. Cool the home using windows and blinds.

Checkout & Care

  • Furniture: Do not move furniture between rooms.
  • Cleaning: Leave the home in reasonably clean condition.
  • Weather: Secure all windows and doors during inclement weather.

Liability & Disclaimers

  • Injuries & Damage: Tenant assumes all risk of personal injury and property damage during the stay and holds the owner and property manager harmless.