The first violation of any provision of this chapter shall be an offense
which shall be punishable by a fine of not less than $150 or more than $250
or imprisonment for a period not exceeding 10 days for each such offense,
or by both such fine and imprisonment. A second or subsequent offense shall
be punishable by a fine of not less than $250 nor more than $500 or imprisonment
for a period not exceeding 10 days for each said such offense, or for both
such fine and imprisonment.
The provisions of this chapter shall apply to any boat located in the
marina as of the date of the adoption of this chapter.