Start by bringing a large pot of salted water to a boil. Add the rotini pasta and cook according to package instructions for 8-10 minutes until al dente. Drain and rinse under cold water.

Finely chop 2-3 celery ribs and 1 bell pepper into small pieces.

Chop the imitation crab into bite-sized pieces.

In a large mixing bowl, combine the cooled pasta, chopped imitation crab, celery, and bell pepper. Gradually add in the light mayonnaise and gently fold to combine.

Transfer to an airtight container and refrigerate for at least 30 minutes before serving.