The Super Duper Mart contains a shop and a restaurant area. A locked (Picklock 0) floor safe can be found behind the shop counter, to the right of the cash register. There are stairs leading to the roof of the building which houses a small makeshift living area including a bed.
- Power armor chassis with T-series armor pieces - Can be found behind the Red Rocket, usually in the power armor station.
- Potential Vault-Tec bobblehead - Underneath the bed on the roof of the Super-Duper Mart.
- Random magazine - Against the northeastern wall, on the ground, beside the serving counter in the Super-Duper Mart.
- Random armor mod plan - At the front entrance of the Super-Duper mart, inside a magazine stand, on the lowest shelf on the right.
- Random recipe - Behind the front counter inside the Super-Duper mart.
- Random armor mod - Inside the Super-Duper mart. In the far left corner, on a red shelf.
Big B's Rest Stop appears only in Fallout 76.