Ocean Network digital cable channel 349, is marking its first anniversary with a birthday party from 10 a.m. to 4p.m. Saturday at the Waikiki Aquarium.

The network will feature videos from some of its sea-worthy programs from 9 a.m. to 4 p.m. in the Aquarium Theater. A series of talks by oceanographers, geophysicists and other ocean experts will be held.

Admission is free.

Those attending may enter to win an annual pass to the aquarium.