firstly, If u are reaching there at early morning, move to Mani Darshan without taking bath to Ramanathan Swamy Temple and after that take a dip in Ocean(enjoy the morning Sunrise) and move to take bath in 22 holy wells... once finished with the bath, get freshed and proceed for darshan...
Other places to also be watched out for:
Ramar Padam.
Dhanushkodi(2...
more... oceans ride at single Road)
temple of Vibhishan...