Greedy me .... I really want both. Haha ... but I vote for mountain because I always love the green, the fresh air and the pure O2.
The sea, how can you not fall in love with the sound of the waves. And the best thing is when it's full moon, stroll along the beach with naked feet. Awesome.
Since I'm so greedy, I've decided to retire in Bali :-) and ultimately, I'd like to die there. Convert myself (when my body's dead) to ashes, spread some to the ocean and some to the mountain. Like that I've the best of both worlds