Hmmm sea gods sea gods
Aegaeon, god of violent sea storms and ally of the Titans
Achelous, Greek river god
Akheilos, shark-shaped sea spirit
Alpheus, river god in Arcadia
Amphitrite, sea goddess and consort of Poseidon
Anapos, water god of eastern Sicily
Brizo, goddess of sailors
Carcinus, a giant crab who allied itself with the Hydra against Heracles. When it died, Hera placed it in the sky as the constellation Cancer
Ceto, goddess of the dangers of the ocean and of sea monsters
Charybdis, a sea monster and spirit of whirlpools and the tide
Cymopoleia, a daughter of Poseidon and goddess of giant storm waves
Delphin, the leader of the dolphins, Poseidon placed him in the sky as the constellation Delphinus
Doris, goddess of the sea's bounty and wife of Nereus
Eidothea, prophetic sea nymph and daughter of Proteus
Electra, an Oceanid, consort of Thaumas
Eurybia, goddess of the mastery of the seas
Galene (Γαλήνη), goddess of calm seas
Glaucus, the fisherman's sea god
Gorgons, three monstrous sea spirits
Stheno
Euryale
Medusa
The Graeae, three ancient sea spirits who personified the white foam of the sea; they shared one eye and one tooth between them
The Harpies, winged spirits of sudden, sharp gusts of wind
Hippocampi, the horses of the sea
The Ichthyocentaurs, a pair of centaurine sea-gods with the upper bodies of men, the lower fore-parts of horses, ending in the serpentine tails of fish
Bythos
Aphros
Ladon, a hundred-headed sea serpent who guarded the western reaches of the sea, and the island and golden apples of the Hesperides
Leucothea, a sea goddess who aided sailors in distress
Nerites, watery consort of Aphrodite and/or beloved of Poseidon
Nereus, the old man of the sea, and the god of the sea's rich bounty of fish
Nymphs
Naiades, fresh water nymphs
Nereides, sea nymphs
Oceanides, Ocean water nymphs
Oceanus, Titan god of the Earth-encircling river Okeanos, the font of all the Earth's fresh-water
Pan, Patron God of fishing
Palaemon, a young sea god who aided sailors in distress
Phorcys, god of the hidden dangers of the deep
Pontus, primeval god of the sea, father of the fish and other sea creatures
Poseidon, Olympian God of the Oceans and king of the sea gods; also god of rivers, storms, flood and drought, earthquakes, and horses. He controlled every aspect of the seas. His Roman equivalent is Neptune.
Potamoi, deities of rivers, fathers of Naiads, brothers of the Oceanids, and as such, the sons of Oceanus and Tethys.
Proteus, a shape-shifting, prophetic old sea god, and the herdsman of Poseidon's seals
Psamathe, goddess of sand beaches
Scylla, a Nereid metamorphosed into a sea monster
Got a whole list XC