• The Mattituck Presbyterian Church is hosting a dance party from 7 to 10 p.m. tonight to raise money for their 300th Anniversary weekend in June. The ’60s and ’70s themed dance party includes light refreshments and prizes for the best costumes and dancers in the Presbyterian church’s social hall at 12605 Main Road in Mattituck. Tickets arte $15 for adults and $5 for children. More information is online here.
• Riverhead High School’s Blue Masques are ready to open the curtain tonight on their winter production of two one-act plays: “The Audition” and “The Seussification of Romeo and Juliet.” Showtimes are 7 p.m. Friday and Saturday night and 2 p.m. on Sunday. More information is online here.
• Greenport’s Floyd Memorial Library and the North Fork Audubon Society are hosting a screening of the documentary “The Marion Lake Story” on Sunday, Feb. 11 at 2 p.m. This film tells the tale of an ecological crisis averted: the degradation — and gradual restoration — of the 18-acre lake in East Marion that was nearly choked to death by the highly invasive reed australis phragmite.
• The Flanders Fire Department will host a community blood drive tomorrow, Jan. 10, from 1 to 7 p.m. More information is online here.
• There are plenty of rockin’ music events on the East End this weekend, including a salute to The Beatles at The Suffolk Theater and the first installation of Nancy Atlas’s winter Fireside Sessions at Bay Street Theatre tonight. Tomorrow, East End musicians will get together at Bay Street Theatre to celebrate Elvis’s 80th birthday, which was yesterday. On Sunday evening, the First Universalist Church of Southold hosts The Second Hands at their first in a series of Soulful Sundown coffeehouse sessions. And of course, there’s music all over both forks at vineyards and venues this weekend. The Beacon’s full music listings are online here.
• The East Hampton Trails Preservation Society is hosting a walk on the loop around the Montauk Point Lighthouse on Saturday at 10 a.m. and a walk along the Paumanok Path in the Northwest Woods on Sunday at 10 a.m. The Beacon’s full hike listings are online here.
And that’s the way things look at dawn’s light today.