Island Federal Credit Union ← View details 4820 Sunrise Highway, Sayville, NY 11782 +1 631-567-0502 islandfcu.org Suggest an Edit Name* State* Locality* ZIP* Street address* Phone* Website Opening hours Monday: 08:30 am — 04:30 pm Tuesday: 08:30 am — 04:30 pm Wednesday: 08:30 am — 04:30 pm Thursday: 08:30 am — 05:00 pm Friday: 08:30 am — 05:00 pm Saturday: 08:30 am — 03:00 pm Your comments * — Required information