Adjectives to Describe the Sea:
Color:
* Azure
* Blue
* Cerulean
* Emerald
* Indigo
* Navy
* Sapphire
* Teal
* Turquoise
* Verdant
Motion and Texture:
* Choppy
* Crashing
* Foaming
* Frothy
* Gentle
* Rolling
* Rough
* Sparkling
* Still
* Stormy
* Turbulent
* Wavy
Feelings:
* Calming
* Enchanting
* Eerie
* Majestic
* Mysterious
* Powerful
* Refreshing
* Tranquil
* Untamed
Other:
* Ancient
* Deep
* Endless
* Immense
* Mighty
* Salty
* Vast
* Wide
More descriptive phrases:
* Crystal clear
* Iridescent
* Sun-drenched
* Moonlit
* Windswept
* Sandy-bottomed
* Rocky
* Coral-filled
* Fish-filled
* Shipwrecked
* Treasure-filled
Remember: The best adjectives to use will depend on the specific context and what you want to emphasize about the sea.