How OtterMart Works
Whether you're looking to sell your old scrubs or find the perfect engineering tools, OtterMart makes campus trading simple, safe, and free.
Sign Up & Get Verified
Create your free OtterMart account and complete the manual student verification process before you can start selling.
List Your Item
Go to your Dashboard and fill out the item details: title, price, category (Scrubs, Books, or Tools), and upload a clear photo.
Wait for a Buyer
Your listing goes live on the marketplace instantly. Interested buyers will reach out to your PLM email directly to arrange a campus meet-up.
Complete the Exchange
Meet your buyer on campus (we recommend the lobby or the library), complete the exchange, and mark your item as Sold in your Dashboard.
Rep Your College with Custom Themes
OtterMart is fully customizable! You can select your specific college's theme from your profile settings so the entire marketplace dynamically matches your college colors. Whether you're an Engineering student rocking crimson, or a Nursing student bathed in green, you can theme OtterMart as your own.
Set Your Theme in ProfileStay Safe on OtterMart
Ensure safe transactions inside school grounds by following these safety practices.
DO These Things
- ✓Verify the seller's PLM email before communicating
- ✓Meet in a well-lit, populated area on campus
- ✓Test the item (e.g., run software tools) before buying
- ✓Keep a record of your transaction conversation
- ✓Mark your item as "Sold" promptly after the exchange
- ✓Report suspicious listings to your Student Affairs Office
DON'T Do These
- ✗Don't send money before seeing the item in person
- ✗Don't share your OtterMart or PLM email password
- ✗Don't agree to meet off-campus
- ✗Don't ignore your gut feeling — trust your instincts
- ✗Don't share your personal home address
- ✗Don't buy items with no photos or vague descriptions
Ready to start?
It's 100% free.
Join thousands of PLM Mayers already buying and selling on OtterMart. All you need is your PLM email to join the exclusive campus marketplace.