Sully County 799.03± Acre Sealed Bid Land Auction

An excellent opportunity to acquire 799.03± acres of productive farmland near Agar in Sully County, South Dakota. Offered through a sealed bid auction in five individual tracts with combination bidding opportunities, this property features quality agricultural soils with CPI ratings ranging from 84.51 to 93.95. Sealed bids must be received by December 1, 2026, at 3:00 PM CST.

Land

Hayden Outdoors is pleased to present 799.03± acres of productive agricultural land located near Agar, South Dakota. This offering consists of five individual tracts, providing an opportunity for local producers, expanding farming operations, and agricultural investors to acquire quality cropland in Sully County.
The property features predominantly silt loam soils, including Agar, Mobridge, and Agar-Onita soil types. These soils contribute to the agricultural value of the property, with individual tract CPI ratings ranging from 84.51 to 93.95.
The five-tract configuration allows buyers to pursue individual parcels or submit combination bids on Tracts 1 and 2 or Tracts 3, 4, and 5. This flexibility creates opportunities for both smaller agricultural purchases and larger land acquisitions.
Tract 1 – 162.01± Acres | 88.48 CPI
Tract 1 consists of approximately 162.01 acres of agricultural land with an overall soil productivity rating of 88.48 CPI.
The predominant soil types include Agar silt loam and Mobridge silt loam, which account for approximately 94% of the mapped tract. The property also contains smaller areas of Hoven silt loam and Onita-Hoven soils.
Tract 1 Highlights

162.01± total acres
88.48 average CPI
Predominantly Agar and Mobridge silt loam soils
Available individually or in combination with Tract 2
Closing in 2026

Tract 2 – 160± Acres | 92.20 CPI
Tract 2 offers approximately 160 acres of highly productive agricultural land with an impressive average CPI of 92.20.
The soils consist primarily of Agar silt loam, Mobridge silt loam, and Agar-Onita silt loams. Approximately 92% of the mapped tract consists of these soil types with individual CPI ratings of 92 to 95.
The strong soil productivity rating and agricultural characteristics make this tract an attractive addition to an existing farming operation or agricultural investment portfolio.
Tract 2 Highlights

160± total acres
92.20 average CPI
Predominantly Agar, Mobridge, and Agar-Onita silt loam soils
Available individually or in combination with Tract 1
Closing in 2026

Tract 3 – 158.51± Acres | 84.51 CPI
Tract 3 consists of approximately 158.51 acres of agricultural land with an overall CPI rating of 84.51.
The primary soils include Agar silt loam, Mobridge silt loam, and Agar-Onita silt loams. These productive soil types account for the majority of the mapped tract, with smaller areas of Hoven silt loam contributing to the overall soil composition.
This tract provides an opportunity to acquire additional cropland in an established agricultural area.
Tract 3 Highlights

158.51± total acres
84.51 average CPI
Predominantly Agar and Mobridge silt loam soils
Available individually or in combination with Tracts 4 and 5
Closing January 5, 2027

Tract 4 – 158.51± Acres | 89.67 CPI
Tract 4 features approximately 158.51 acres of quality agricultural land with an average CPI of 89.67.
The soil composition is dominated by Agar silt loam and Mobridge silt loam, which together account for approximately 93% of the mapped tract. Additional Agar-Onita silt loams further contribute to the tract’s agricultural soil profile.
With a strong concentration of productive soils, Tract 4 offers an attractive opportunity for producers looking to expand their cropland holdings.
Tract 4 Highlights

158.51± total acres
89.67 average CPI
Predominantly Agar and Mobridge silt loam soils
Available individually or in combination with Tracts 3 and 5
Closing January 5, 2027

Tract 5 – 160± Acres | 93.95 CPI
Tract 5 consists of approximately 160 acres of highly productive agricultural land and carries the highest average CPI rating within the offering at 93.95.
The tract is predominantly composed of Agar-Onita silt loams, with additional Agar and Mobridge silt loam soils. Nearly 98% of the mapped tract consists of soils with individual CPI ratings of 92 to 95.
The exceptional overall soil productivity rating makes Tract 5 a particularly attractive agricultural offering for both farm operators and land investors.
Tract 5 Highlights

160± total acres
93.95 average CPI
Predominantly Agar-Onita, Agar, and Mobridge silt loam soils
Available individually or in combination with Tracts 3 and 4
Closing January 5, 2027

Sealed Bid Auction Information

Sealed Bid Deadline: Tuesday, December 1, 2026, at 3:00 PM CST
All sealed bids must be received by the deadline. Bids may be submitted by email or mailed to Hayden Outdoors.
Email Bid Submissions:
[email protected]
[email protected]
Mail Bid Submissions:
Hayden Outdoors
31095 185th St.
Onida, SD 57564
Private Auction – December 2, 2026
Following the sealed bid deadline, the seller(s) reserve the right to accept the highest sealed bid or elect to proceed with a private auction.
If the seller(s) elect to proceed with a private auction, the top sealed bidders may be invited to participate in a private auction held at the following location:
Wednesday, December 2, 2026, at 3:00 PM CST
Phoenix Center
110 S. Main St.
Onida, SD 57564
Participation in the private auction will be by invitation only. Submission of a sealed bid does not guarantee an invitation to participate in the private auction.
The seller(s) reserve the right to accept the highest sealed bid without conducting the private auction.
Tract Offering and Combination Bidding
The property will be offered in five individual tracts, with combination bidding opportunities as follows:

Tracts 1 and 2: Buyers may submit bids on either tract individually or on both tracts as a combination. Closing will take place in 2026.
Tracts 3, 4, and 5: Buyers may submit bids on individual tracts or on all three tracts as a combination. Closing is scheduled for Tuesday, January 5, 2027.

All bids and any subsequent private auction are subject to the official auction terms and conditions.

Recreation

While agricultural production is the primary focus of this property, the surrounding Sully County countryside also offers recreational opportunities. The area supports populations of whitetail deer and pheasants, providing additional recreational appeal for buyers who appreciate South Dakota’s hunting traditions. It is located just 13 miles SE from Sutton Bay on the rolling bluffs of the Missouri River with world-class outdoor recreation and first-class service. It’s a prairie paradise for those who love the challenge of golf, the thrill of the hunt, and the excitement of reeling in a trophy walleye–all in a private club destination setting.