Get down at Kolhapur (KOP) on Central Railway Route and take a local taxi for an one hour drive to the resort.
OR
Get down at Ratnagiri (RN) on Konkan Railway Route and take a local taxi or rickshaw for an one hour drive to the resort. The nearest railway station is Adavali (ADVI), approx 35 kms to the resort which on Konkan Railway route, but only few trains stop here.
For All India Train Schedules and Timings kindly visit National Train Enquiry System website – NTES