My friend has invited me on a crusie?

okay so im 14 and my friends just asked me if i wanted to go on a cruse well i said yes but idk about my mom i want them to meet before she says yes. but since im 14 i need to go with an adult but my cnt go cuz my little brother swaps between parents every 4 days. so are there any cruises that will let me on without an adult or someone 19..... i rly want to go, another thing i have to bring my birth certificate and some other things.... but if i have to take an adult who should i try to pick do i ask my dad who i love but he is in a wheel chair and dislikes black people or do i just not go plz help its 14 days away.