A general fishing license is required for fishing, crabbing, or clamming throughout the State of Delaware f you’re a resident of Delaware, the annual license fee is $8.50. For non-residents, the license fee is $20 per year. You can get a seven-day tourist license fee for $12.50. These licenses allow you to fish in any of Delaware’s fresh and tidal waters, which you can also use for crabbing and clamming. A fishing license is good through the end of calendar year in which it was issued.