Season ticket
"Island Express" has 23 coaches which includes 12 sleeper class coaches (S1–S12), three A/C 3 tier coaches (B1, B2, B3), two A/C 2 tier coaches (A1, A2), one first A/C cum A/C two tier and the rest being unreserved general coaches that includes a ladies' (ladies' coach are not available now) coach. Season ticket holders can travel in selected sleeper class coaches for a specified duration. In 16525 Kanyakumari–Bangalore City "Island Express", coaches S3 and S4 are unreserved from Nagercoil to Ernakulam and coach S12 is unreserved between Nagercoil and Palakkad.