 If you liked
Air Gear
|
 ...then you might like
Grand Blue
|
Even if the two stories are not comparable, they are closely related.
Ikki and Iori are very similar, both having a similar humor that is a bit heavy on the people around them while being able to get serious when needed.
They also share similar personalities, and so do their friends, they are not afraid to make fools of themselves in front of everyone while being trustworthy at the same time