Synonyms of aquatic

1 Syllable
sea
2 Syllables
yachting, naval, floating, seagoing, swimming, shorer
3 Syllables
littoral, nautical, watery, seaside, marine, amphibious, thalassic, oceangoing, oceanic, sea-loving, sailorly, pelagic, amphibian, ocean-going, saltwater, neptunian
4 Syllables
natatory, maritime, natatorial, hydrographic
5 Syllables
navigational, oceanographic