If you are using fresh corn, cook it and chill it before removing the kernels from the cob. Peel and dice the mango into ½" dice. Dice the red pepper and onion in ½" dice. Remove the seeds and ptih from the jalapeno and dice into ¼". dice. Chop the cilantro leaves.
Mix the corn, mango, red pepper, onion, jalapeño, and cilantro in a large mixing bowl.
1 cup diced mango, 1 cup corn, 1 red bell pepper, ½ red onion, 1 jalapeño pepper, ¼ cup chopped cilantro
Zest and juice the lime over the bowl of salsa and add the salt. Mix well and taste for seasonings. Add more lime juice or salt if needed.
1 lime, ½ teaspoon fine grind sea salt or kosher salt