
New Vehicle, Low Rates!
Drive away in your dream car today with these low auto loan rates.

Fun Made Affordable!
Get out and have fun in a new recreational vehicle.

Our Most Flexible CD
Our Flex CD allows you to make additional deposits, withdraw funds, and increase your rate one time during the term. Click Learn More for complete account details.

Autobooks
Autobooks is a small business invoicing and payment acceptance solution available through CorpLink Online Banking.
Security First Bank: Banking with you in mind
At Security First Bank, it’s all about you! We make banking easier than ever with our complete approach to customer service. We believe that attention to detail, flexible and innovative services and remarkable customer care are the pillars of successful community banking, and we’ve been committed to those standards since our founding in 1898. We offer personal and business banking, savings, loans, home mortgage, and full insurance services. Whether you have small or large-scale needs, we’re here to serve you.
Community News & Events


Security First Strider Classic Races
June 7th, 2022
Join us for the inaugural Security First Strider Classic Races held during the Martin Summerfest on Saturday, June 25th! Races will be from 11am –…


Spearfish Loan Production Office
May 24th, 2022
Security First Bank recently celebrated the grand opening of their Loan Production Office located in Spearfish, South Dakota. The celebration included an open house and…
Upcoming Events:
Jul
12
Movie Tuesdays
10:00 am - 2:00 pm
Aug
09
Movie Tuesdays
10:00 am - 2:00 pm
Sep
13
Movie Tuesdays
10:00 am - 2:00 pm
Oct
11
Movie Tuesdays
10:00 am - 2:00 pm
Nov
08
Movie Tuesdays
10:00 am - 2:00 pm
Dec
13
Movie Tuesdays
10:00 am - 2:00 pm