Found a nice facebook page with lots (around 250!) of nice paintings with seascapes and marine themes. (
@Perun )
Here and
here.
Some I like in particular:
Ivan Aivazovsky, Darial Gorge, 1862
Johan Christian Dahl, View of Dresden by Moonlight, 1838
Yaroslav Gerzhedovich, Sea Castle
Marcus Larson (1825-1864), Nattlig marin med brinnande fartyg (Nocturnal Marina with Burning Ship)
Emilio Ocón y Rivas (1845-1904), Seascape, 1894
~ Lev Feliksovich Lagorio (Лев Феликсович Лагорио; 1828-1905), Луна над морем в Крыму (Moon Over The Crimean Sea)
Montague Dawson (1895-1973), The Crescent Moon
Ivan Aivazovsky (1817-1900), Icebergs in the Atlantic, 1870
Georg Eduard Otto Saal (1818-1870), I norra ishavet (The Arctic Ocean), 1853
Petrus van Schendel (1806-1870), Maanenschijn: sailing at night near Rotterdam with the St. Laurenskerk beyond
Mauritz Frederik Hendrik De Haas (1832-1895), Sunset over the New England Coast
Simeon Marcus Larson (1825-1864), Fishing near the fjord by moonlight, 1872
Peder Balke (1804-1887), Fra Nordkapp, 1840
Karl Kaufmann (1834-1902), Harbor View