Lock & Key Solutions Sayville is your reliable, local locksmith serving the Sayville area with 24/7 emergency services. We specialize in residential, commercial, and automotive lock and key solutions, including lock installation, rekeying, key duplication, access control, and security upgrades. Whether you're locked out, need new locks, or want to improve your property's security, our licensed and insured technicians deliver fast, professional service you can trust. Your safety is our top priority.