Inexpensive and portable, Spam musubi are commonly found near cash registers in convenience stores or mom-and-pop shops all over Hawaii and in Hawaiian barbecue restaurants in the mainland United States.

[1] Musubi can be easily made with the right materials, and typically only uses spam, rice, some salt, nori and shoyu (soy sauce).

In Hawaii, musubi with spam from a can or homemade luncheon meat is eaten as a snack or served in formal restaurants.

[7] In 1999, L&L Hawaiian Barbecue introduced the Hawaii regional snack as a menu item in its first mainland U.S. restaurant in Puente Hills, California.

[9] On August 8, 2021, L&L Hawaiian Barbecue established "National Spam Musubi Day" to celebrate the iconic snack from Hawaii.

[13] Guam's Pacific Daily News describes the local version: "a slice of Spam is bathed in teriyaki sauce before topping a mound of rice with a dash of furikake and wrapped in a strip of nori.