Work parties leave at 9 a.m. Sundays and Mondays through the warm season from Norrie Point Marina (Staatsburg, Dutchess County - enter via Norrie Point State Park from Rt. 9).
Here are additional details from The Esopus Meadows Lighthouse Website:
The normal schedule is Sundays and Mondays. The barge departs Norrie Point marina at 9 a.m. and returns at 5 p.m. Wear old clothes, bring your lunch, favorite tools and join the crew! Last minute confirmation of work schedule will be available on 845-331-4083 or 845-848-3669. The weekend plans will be recorded each Thur evening and updated should there be a last minute change due to weather or what ever. Check before departing for Norrie. Leave a message if you have questions.