In a large bowl, combine warm water, yeast, and sugar; let sit for 5 minutes.
Add flour and salt, stirring until a dough forms.
Knead the dough on a floured surface for 5-7 minutes until smooth.
Place in a greased bowl, cover, and let rise for 1 hour.
Preheat oven to 425°F (220°C) and line a baking sheet.
Divide dough into 8 pieces, roll into ropes, and cut into bite-sized pieces.
Boil water with baking soda; boil pretzel bites for 30 seconds each.
Remove with a slotted spoon and place on the baking sheet.
Sprinkle with coarse sea salt and bake for 12-15 minutes.
Serve warm with your favorite dips.