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Built in 1890, this historic 3000 sqft. waterworks building has 18ft high ceiling with brick interior encompassing three rooms, The Ballroom, Cave Bar, and Billiard Room. Maximum occupancy for the interior is 150 guests seated or 200 standing.

The Ballroom has hardwood floor, rustic wood columns, and a gas fireplace—ideal for a large dinner party, reception, indoors ceremony, or dancing to live music.

Cave Bar is decorated with old wood, and corrugated tin wainscoting, overlook an outdoor fireplace, landscaped courtyard, with dramatic views of the lagoon and the Absaroka Mountains—making the Cave Bar a popular spot to socialize.

The Billiard Room features antiques, pool table, an old-world style that is both inviting and fun—can be converted to a buffet and dessert room.

6000 sqft. outdoor grounds are bordered on two sides with hand stacked stones from the Crazy Mountains, feature two expansive landscaped lawns, a quaint aspen grove, a waterfall, two outdoor fireplaces, and tiki cove. Enjoy the grounds during the day with two horseshoe pits, a badminton court, or an evening under the stars with a magical dinner, a reception, or a hors d’oeuvre party. The grounds may be tented for large events. Maximum occupancy for the outdoor grounds: 300 guests seated or 400 standing.

Amenities include sound system, piano, electric organ, pool table, dartboard, horseshoe pits, and badminton court.

THE LAGOON offers two fee opportunities that include both indoor & outdoor usage.

$400 per day*—NOON to 2AM

$300 per day*—10AM to 5PM

* Includes set-up the day before your event and clean-up the following day.

Thank you for your interest in The Lagoon for your event. We are sure you will find our venue a unique experience to gather and enjoy the company of good friends.

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Frequently Asked Questions

How many event spaces or rooms does your venue offer?


Describe your venue:

Banquet Hall
Historic Building

What kind of settings are available?

Covered Outdoor
Uncovered Outdoor

Which of the following wedding events does your venue service?

Bridal Shower
Engagement Party

What catering services do you offer?

Outside Cake

What bar services do you provide?

Outside Alcohol
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The Lagoon frequently asked questions

The space offered by The Lagoon for wedding events is known for:
  • Banquet Hall
  • Historic Building
The Lagoon offers the following indoor/outdoor options for weddings:
  • Indoor
  • Covered Outdoor
  • Uncovered Outdoor
The Lagoon offers the following types of wedding events:
  • Ceremony
  • Reception
  • Bridal Shower
  • Engagement Party

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