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Soap Lake, WA
Challenging To Investors
Local STR Agent
Local STR Agent

Short-term rentals are allowed in unincorporated areas of Grant County (where Soap Lake is located), but with specific restrictions and permit requirements. In unincorporated Grant County, STRs are permitted in most areas except those zoned for light industrial or heavy industrial uses, and they require a conditional use permit. However, ** Soap Lake is an incorporated city within Grant County, and city-specific STR regulations were not provided in the source materials.**
Important Note: The provided information primarily covers Moses Lake (a different city in Grant County) and Grant County unincorporated areas. Soap Lake may have its own municipal regulations that are not included in this analysis.
Soap Lake hosts earn a median $26,489/year with $321 ADR and 48% occupancy.
Top performers pull in $50,597+ per year.
See the full Soap Lake market breakdownBased on available information for the region:
All STRs must meet the same safety standards as hotels, including:
No specific city regulations were provided in the source materials. Contact Soap Lake city hall for current municipal requirements.
Contact information not provided in source materials. Contact Soap Lake city hall directly for city-specific requirements.
Moses Lake Vacation Rentals Information: www.cityofml.com/820/Vacation-Rentals
Grant County STR Regulations News: columbiabasinherald.com/news/2023/jul/18/grant-county-short-term-rental-rules-get-more-clar/
Moses Lake Municipal Code - ADU Regulations: moseslake.municipal.codes/Code/15.415.010
Moses Lake Vacation Rental Code: moseslake.municipal.codes/Code/18.63
Important Disclaimer: This guide is based solely on the provided source materials, which primarily cover Grant County unincorporated areas and Moses Lake regulations. Soap Lake may have its own municipal STR regulations not covered in this analysis. Investors should contact Soap Lake city hall directly for city-specific requirements before proceeding with any STR investment.
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Soap Lake is a small, quirky resort town in Grant County, in the arid Columbia Basin of central Washington. With a population of roughly 1,500, it carries the feel of a faded mid-century spa village that has slowly reinvented itself as an offbeat art and wellness destination. The town takes its name — and its identity — from the alkaline, mineral-rich lake at its center, whose buoyant, faintly soapy water has drawn visitors seeking therapeutic soaks for more than a century. Soap Lake sits roughly 175 miles east of Seattle and about 120 miles west of Spokane, with the larger retail hub of Moses Lake less than half an hour to the south and the county seat of Ephrata just a short drive away, making it a quiet base for travelers exploring the broader Columbia Plateau.
At the heart of any visit is Soap Lake itself, a terminal soda-alkaline lake whose unusual chemistry supports a small commercial spa culture along its shores. The waterfront is lined with historic bathhouses, mineral pools, and a long pedestrian path that gives the town a calm, almost retro atmosphere. Visitors come for the water, the quiet, and the curious mix of public art and mid-century motel architecture that defines the downtown strip.
A short drive northwest of town, about 20 to 25 minutes, brings visitors to Sun Lakes-Dry Falls State Park, one of the most striking geological features in the Pacific Northwest. Here the cliffs of Dry Falls — a massive cataract carved by catastrophic Ice Age floods — plunge roughly 400 feet over a rim nearly four miles wide, now silent and dry. The park offers campgrounds, hiking trails, and access to a chain of lakes popular for swimming, paddling, and fishing, giving Soap Lake visitors an easy day trip into dramatic natural scenery.
About an hour north, the Grand Coulee Dam anchors the upper Grand Coulee and is one of the largest concrete structures in the world. The dam's visitor center, evening laser light show projected onto the face of the dam, and adjacent Lake Roosevelt National Recreation Area draw road-trippers year-round, and they pair naturally with a stay in Soap Lake for travelers tracing the geological story of the Columbia Basin.
Closer to home, the surrounding wheat fields and coulee landscapes around Soap Lake reward slow exploration. The annual Soap Lake Quilt Show, the UFO-themed murals scattered through town, and the proximity to the Gorge Amphitheatre in George, about an hour southwest, give the area a layered identity that blends wellness tourism, agricultural heartland, and outdoor adventure.
For short-term-rental owners, Soap Lake offers an appealing combination: a recognizable regional draw in the mineral lake, strong day-trip appeal to Dry Falls and Grand Coulee, low acquisition costs typical of small Eastern Washington towns, and a guest profile that includes mineral-soak visitors, road-trippers, geology enthusiasts, and summer concertgoers headed to the Gorge. Its central position between Seattle and Spokane, paired with a genuinely distinctive small-town character, makes it a quietly compelling base for the Columbia Basin traveler.
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