The Maritime Explorium in Port Jefferson will be open on Fridays as well as weekends during May and June for the first time, responding to visitor requests, says Lauren Hubbard, executive director.

May and June Friday hours will be 10 a.m. to 2 p.m. Weekend hours are 1 p.m. to 5 p.m.

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Beginning in July, the museum resumes its annual summer hours of 1 p.m. to 5 p.m. Wednesdays through Sundays.

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Admission is $5 per person for everyone older than 1; 101 E. Broadway, Port Jefferson. 631-331-3277; maritimeexplorium.org.