The word(s) "sea" appears 74 time(s) in 73 verse(s) in Quran in Abdullah Yusuf Ali translation.

(41) Seest thou not that Allah has made subject to you (men) all that is on the earth, and the ships that sail through the sea by His Command? He withholds the sky (rain) from falling on the earth except by His leave: for Allah is Most Kind and Most Merciful to man.

(42) Is it that there is a disease in their hearts? or do they doubt, or are they in fear, that Allah and His Messenger will deal unjustly with them? Nay, it is they themselves who do wrong.

(43) Then We told Moses by inspiration: "Strike the sea with thy rod." So it divided, and each separate part became like the huge, firm mass of a mountain.

(44) Or, Who guides you through the depths of darkness on land and sea, and Who sends the winds as heralds of glad tidings, going before His Mercy? (Can there be another) god besides Allah?- High is Allah above what they associate with Him!

(45) Until, when they come (before the Judgment-seat), (Allah) will say: "Did ye reject My Signs, though ye comprehended them not in knowledge, or what was it ye did?"

(46) So We seized him and his hosts, and We flung them into the sea: Now behold what was the end of those who did wrong!

(47) Mischief has appeared on land and sea because of (the meed) that the hands of men have earned, that (Allah) may give them a taste of some of their deeds: in order that they may turn back (from Evil).

(48) Thus does Allah seal up the hearts of those who understand not.

(49) And behold! The Hypocrites and those in whose hearts is a disease (even) say: "Allah and His Messenger promised us nothing but delusion!"

(50) O Consorts of the Prophet! Ye are not like any of the (other) women: if ye do fear (Allah), be not too complacent of speech, lest one in whose heart is a disease should be moved with desire: but speak ye a speech (that is) just.