Cremation for us too.
We were watching America's Funniest Videos the other night and 1 clip was a woman who found a bottle in the ocean. It was half filled with a bunch of "sand" and had a rolled up letter in it. This woman and her family/friends decide to open it, getting the "sand" all over themselves while trying to get the letter out. When they finally get the letter out and unroll it, getting more "sand" on them in the process, turns out the letter was from a women who put some of her husband's ashes in the bottle and threw it in the ocean.
Could have been staged of course. In fact, hope it was staged because you would think someone wouldn't be dumb enough to put ashes in a sealed glass bottle with a letter and not expect someone to eventually open it.