Quote Originally Posted by Anova View Post
Honestly, any place with a fast spawn or a loop with enemies around lv.45 is good. One of the most popular spots for spiritbind is Urth's Gift in South Shroud.
This also a great spot because the Lv.50 water spirits can give you anywhere between 1-3 water crystals and EXP for Chocobo if you want to level it up while Spiritboning. After a hour, you'll have a good amount of Water Crystals and Material to sell.