2024 Mercantile Business Licenses and Mercantile Rental Permits in Sea Isle are required by May 1. To avoid a $50 late fee, all applications must be submitted to the City Clerk’s Office on or before the grace period ends on May 31 (the late fee goes into effect June 1, 2024). Business Licenses and Rental Permits can be purchased at the City Clerk’s Office on the second floor of City Hall, Monday through Friday, 8:30 AM to 4:30 PM. Property and business owners can also download an application form, go to www.seaislecitynj.us.