Highest Sea Isle City employee salary in year 2018 was $167,832. Sea Isle City employees number in year 2018 was 113. Sea Isle City average salary was $65,412 and median salary was $63,629. According to the last payroll, Sea Isle City average salary is 12 percent lower than USA average and 12 percent lower than New Jersey state average. Sea Isle City employee salaries are usually between $34,451 and $90,732. Top 10% of highest-earning employees have salaries ranging from $105,292 to $167,832. From 2017 to 2018, the average salary of employees at this employer increased 0.8 percent.