New York Consolidated Laws, Navigation Law - NAV § 45-aa. Special provisions relating to reckless operation and speed on Canandaigua lake;  Keuka lake

1. Notwithstanding any other provisions of this chapter or any inconsistent local laws (a) every pleasure vessel operated on Canandaigua lake, which is bordered by Ontario and Yates counties, shall be operated in a careful and prudent manner, in such a way as not to unreasonably interfere with or endanger any other vessel or person;  a violation of this paragraph shall be a misdemeanor punishable as set forth in section seventy-three-b of this article;  and (b) no vessel shall be operated on such lake at a speed exceeding forty-five miles per hour nor shall any pleasure vessel be operated at a speed exceeding twenty-five miles per hour between one-half hour after sunset and one-half hour before sunrise;  a violation of this paragraph shall be a violation punishable as set forth in section seventy-three-c of this article.

1-a. Notwithstanding any other provisions of this chapter or any inconsistent local laws (a) every vessel operated on Keuka Lake, which is bordered by Steuben and Yates counties, shall be operated in a careful and prudent manner, in such a way as not to unreasonably interfere with or endanger any other vessel or person;  a violation of this paragraph shall be a misdemeanor punishable as set forth in section seventy-three-b of this article;  and (b) no vessel shall be operated on such lake at a speed exceeding forty-five miles per hour nor shall any vessel be operated at a speed exceeding twenty-five miles per hour between one-half hour after sunset and one-half hour before sunrise;  a violation of this paragraph shall be a violation punishable as set forth in section seventy-three-c of this article.

2. No vessel shall be operated within two hundred feet of the shore, a dock, pier, raft or float or an anchored or moored vessel at a speed exceeding five miles per hour, unless such vessel is being operated near such shore, dock, float, pier, raft or anchored vessel for the purpose of enabling a person engaged in water skiing to take off or land.  A violation of this subdivision shall be a violation punishable as set forth in section seventy-three-c of this article.

3. The provisions of this section shall not apply to any pleasure vessel competing in or practicing for a regatta or boat race over a specified course held by a bona fide club or racing association between nine o'clock in the morning and sunset, provided that due written notice of the date of the race has been given to the appropriate law enforcement agency at least fifteen days prior to such race, pursuant to the provisions of section thirty-four of this chapter, and all provisions of this section have been complied with.

4.  Nothing in this section shall be construed as prohibiting any city, town or village from continuing, adopting or enacting any other local laws relating to persons operating a pleasure vessel within its limits, but no such municipality shall have the power to make less restrictive any of such provisions.