No visa is needed to come to Seychelles. All you need is a valid passport, a return ticket and a hotel reservation. You may be required to show that you have sufficient funds of US$150 a day for you stay.
Upon arrival at the Seychelles airport you will need to present all three documents to the immigration officer to be issued with a visa.
Entrance is valid for a month but extension can be granted for up to a year. Extensions beyond three months are subjected to a fee of SR1000.
Seychelles Visa information