General

DOLCE gives 180 exp (10 anergy) and 1 bonus denaro
LUNA gives 300exp (12 energy) 2 bonus denaros
ROSA gives 320 exp (15 energy) 2 bonus denaro [here you can encounter green groso polpo]
HERB TOWN gives 900 exp (25 energy) 3 bonus denaro [green grosso polpo and lyviathan here]
LILLITH HARBOR gives 1200 exp (30 energy) 3 bonus denaro [1 green grosso polpo, 1 red grosso polpo and a lyviathan here]
havent unlocked lilith harbor so i dunno

the boat will not have more storage space till your second boat so the max the first boat can carry is 4 slots
the first trip to herb town if you choose your items well it will give 5 denaros + 3 from the bonus
also for the best leveling check your exp sometimes after a herb town travel you must go to dolce to gain the exact amount of exp to lv you vessel and dont waste anything
also the polpos and lyviathan drops some vessels especial drops that gives 30 (maybe more only found one drop and it was a map) denaros profit

@kreaze159 for the moment there is no way to increase the vessel energy

Dolce gives you less than 300 exp for your ship and Rosa gives you something like 420, I think you might get more exp for your ship doing Rosa 6 times a day and then using the last 10 energy to go to Dolce instead of just going to Dolce

[quote=kraze159]Yeah, how do you level your ship? and is it possible to increase your daily 100 energy?[/quote]

max energy is 120 from the best ship and it has 6 slots. it will take a really long time to get it though.

Yeah, how do you level your ship? and is it possible to increase your daily 100 energy?

I think Dolce is the best for Denaro since you level your ship the fastest there = more space + energy to trade