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The Prospect Room - HSI

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Photo gallery for The Prospect Room - HSI

Room
Room
Room
Exterior
Breakfast meal

Reviews

10 out of 10
Exceptional

Popular amenities

  • Hot tub
  • Breakfast included
  • Air conditioning
  • Parking available
$128
avg per night

Explore the area

View in a map
Idaho Falls, ID
  • Place, Rigby City Hall
    ‪13 min drive‬
  • Place, Heise Hot Springs
    ‪13 min drive‬
  • Place, Yellowstone Bear World
    ‪17 min drive‬
  • Airport, Idaho Falls, ID (IDA-Idaho Falls Regional)
    ‪20 min drive‬

Rooms & beds

1 bedroom (sleeps 2)

1 bathroom

Bathroom 1

Spaces

Garden
Price is $128 avg per night

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About the neighborhood

Idaho Falls

Idaho Falls is home to this castle. Jefferson Hills Golf Course and Kelly Canyon Ski Area are worth checking out if an activity is on the agenda, while those looking for area attractions can visit Jefferson County Fairgrouds and Blast Off.
View more Castles in Idaho FallsOpens in a new window

What's nearby

  • Veterans Memorial Park - 12 min drive - 14.5 km
  • Rigby City Hall - 13 min drive - 15.8 km
  • Heise Hot Springs - 13 min drive - 18.7 km
  • Yellowstone Bear World - 17 min drive - 22.4 km
  • Grand Teton Mall - 17 min drive - 27.0 km

Getting around

  • Idaho Falls Regional Airport (IDA) - 21 min drive

Restaurants

  • ‪The Great Bambino - ‬17 min drive
  • ‪Maverik - ‬15 min drive
  • ‪Arctic Circle - ‬15 min drive
  • ‪Maverik - ‬6 min drive
  • ‪Wendy's - ‬17 min drive

About this property

The Prospect Room - HSI

Private room with a queen sized bed, desk, and rocking chair. Private bathroom with shower and jetted tub. Beautiful views right outside your window. Have a quiet relaxing time exploring this historic building and manicured grounds. Search out the secret tower and enjoy finding out about the building's history. Relax in the hot tub or enjoy watching a movie in the privacy of your own room. Enjoy a wonderful breakfast in the morning made from local fares. A great place for a mini vacation.
Our prices include all fees. No hidden fees.

House Rules

Check in after 4:00 PM
Check out before 11:00 AM
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Children

Adults only
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Events

No events allowed
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Pets

No pets allowed
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Smoking

Smoking is not permitted

Important information

You need to know

Extra-person charges may apply and vary depending on property policy
Government-issued photo identification and a credit card, debit card, or cash deposit may be required at check-in for incidental charges
Special requests are subject to availability upon check-in and may incur additional charges; special requests cannot be guaranteed
Onsite parties or group events are strictly prohibited

Frequently asked questions

Is The Prospect Room - HSI pet-friendly?

No, pets are not allowed at this property.

How much does it cost to stay at The Prospect Room - HSI?

As of Apr 13, 2026, prices found for a 1-night stay for 2 adults at The Prospect Room - HSI on Nov 24, 2019 start from $128, including taxes and fees. This price is based on the lowest nightly price found in the last 24 hours for stays in the next 30 days. Prices are subject to change. Choose your dates for more accurate prices.

How much is parking?

Onsite parking is available at the property.

What time is check-in at The Prospect Room - HSI?

Check-in begins at 4:00 PM.

What time is check-out at The Prospect Room - HSI?

Check-out is at 11:00 AM.

Where is The Prospect Room - HSI located?

Situated in Idaho Falls, this castle is within 9 mi (15 km) of Foster Memorial Park, Snake River, and Farnsworth TV & Pioneer Museum. Bennion Park and Rigby City Library are also within 9 mi (15 km).

The Prospect Room - HSI Reviews

Reviews

10

Exceptional

Reviews are presented in chronological order, subject to a moderation process, and verified unless otherwise labeled.
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Rating 10 - Excellent. 2 out of 2 reviews
Rating 8 - Good. 0 out of 2 reviews
Rating 6 - Okay. 0 out of 2 reviews
Rating 4 - Poor. 0 out of 2 reviews
Rating 2 - Terrible. 0 out of 2 reviews

10/10

Cleanliness

10/10

Staff & service

10/10

Amenities

10/10

Property conditions & facilities

10/10

Check-in

10/10

Communication

10/10

Location

10/10

Listing accuracy

Reviews

Verified

10/10 Excellent

Martin

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Very unique place to stay, the attention to detail is incredible! Beds were the most comfortable! Will stay here again!
Stayed 1 night in Sep 2019
Verified

10/10 Excellent

Kami D.

Liked: Cleanliness, check-in, communication, location, listing accuracy

Great Weekend Getaway Spot

Nice, quiet site. Hosts have taken care to make every detail of the experience count. Would stay again.