beach;  seashore;  seaside;  coast
 ocean;  large sea;  fabric pattern
 beach hut;  beachside clubhouse
 sea of blood;  pool of blood
 to cross the ocean (i.e. to go to or come from overseas)
 seaside;  seashore;  coast;  coastland
 sea of fire;  sea of flame
 sea snake;  worm eel (Ophichthidae spp.);  snake eel
 marine plant;  seagrass;  seaweed
 sea monster;  green turtle
 seafood;  products of the sea;  marine products;  fruits of the sea
 seahorse;  sea horse;  hippocampus;  walrus
 oceanic noise;  rumbling of the sea;  mistpouffer
 opening of the beachgoing season
 Mare Nubium (lunar mare);  Sea of Clouds
 Marine Day (national holiday; 3rd Monday of July)
 Mare Tranquillitatis (lunar mare);  Sea of Tranquility
 sea slug (various orthogastropod species, esp. of order Nudibranchia);  nudibranch
 black-tailed gull (Larus crassirostris)
 seafood;  products of the sea;  marine products;  fruits of the sea
 great auk (Pinguinus impennis)
 large number of words; (lit.) sea of words
 sea grapes (Caulerpa lentillifera)
 saltwater crocodile (Crocodylus porosus);  estuarine crocodile
 storm petrel (any bird of family Hydrobatidae)
 Hydra (constellation);  the Sea Serpent
 whelk egg case;  egg capsule of a gastropod
 neither fish nor fowl;  hard to predict;  up in the air;  unclear
 white squill (Urginea maritima);  sea onion
 murrelet (esp. the ancient murrelet, Synthliboramphus antiquus);  roundbelly cowfish (Lactoria diaphana)
 loggerhead turtle (Caretta caretta)
 sea firefly (Vargula hilgendorfii);  seed shrimp
 common murre;  common guillemot (Uria aalge)
 neither fish nor fowl;  hard-to-predict
 Comatulida (order of crinoids);  feather stars
(lit.) our debt to our parents is higher than the mountain and deeper than the sea
 a narrow-minded person cannot understand the ways of the world; (lit.) a frog in the well cannot understand the ocean even if it is explained to it
 Mare Fecunditatis (lunar mare);  Sea of Fertility
 eel-like sea creature (i.e. saltwater eels, sea snakes, etc.)
 sea spiders (Pycnogonida spp.)
 yellow-bellied sea snake (Pelamis platura);  yellowbelly sea snake;  pelagic sea snake
 short dragonfish (Eurypegasus draconis)
 pink sea milkwort (Glaux maritima var. obtusifolia)
 pigeon guillemot (Cepphus columba)
 green turtle (Chelonia mydas)
 marine iguana (Amblyrhynchus cristatus)
 sea pen (any coelenterate of the family Pennatulidae or related families);  sea feather
 Hypselodoris festiva (species of sea slug)
 Chloeia flava (species of bristle worm)
 Japanese cormorant (Phalacrocorax capillatus);  Temminck's cormorant
 sea chub (Ditrema temminckii temminckii)
 feather star (Comatulida spp.);  comatulid;  Comanthus japonica (species of feather star)
 great seahorse (Hippocampus kelloggi);  Kellogg's seahorse;  offshore seahorse
 Erabu black-banded sea krait (Laticauda semifasciata)
 least auklet (Aethia pusilla)
 black guillemot (Cepphus grylle);  tystie
 East Pacific green turtle (Chelonia mydas agassizii);  black sea turtle
 Japanese false cerith (Batillaria cumingii)
 dovekie (Alle alle);  dovekey;  little auk
 European storm petrel (Hydrobates pelagicus)
 Barnea dilatata (species of piddock)
 many-formed cerith (Batillaria multiformis)
 thick-billed murre (Uria lomvia);  Brunnich's guillemot
 diving petrel (esp. the common diving petrel, Pelecanoides urinatrix)
 mud creeper (Terebralia palustris)
 Japanese murrelet (Synthliboramphus wumizusume);  crested murrelet
 dilate piddock (Barnea dilatata)
 parakeet auklet (Aethia psittacula)
 Batillaria zonalis (small sandy shore snail)