Argument: Wave generators degrade the pristine beauty of the environment
"Pros and cons of ocean wave energy". Energy Consumer's Edge - If we expect to harvest significant amounts of energy from off shore waves, we can expect to see thousands of them bobbing around within eyesight of shore.
Umbra Fisk. "Getting Sloshed. On wave power". Grist. 1 Aug 2007 - one last drawback to wave power is that the near-shore ocean is now considered a recreational site full of beauty, not a working area, and so wave farms may meet the same resistance that has met many a wind farm.