Montauk now has a private, fenced dog agility park, open seven days a week from 9 a.m. to 8 p.m. by reservation only, at 83 Prospect Hill Lane. The cost for one dog and owner is $25 for a half-hour, plus $10 for guidance from a coaching instructor, if needed. Reservations can be made at bemydragon@yahoo.com or 631-806-9823.