Well first I'd check this
recent thread that was put under Wigs. There's a lot of potential ways to tackle Marina's hair, but it's all going to depend on your budget, skill level, and time constraints.
KuroNekoCon- '11 : Radcon-'12 : Akicon-'13 : Sakuracon-'13, '14, '15, '16, '17 : PAX West-'11, '12, '13, '14, '15, '16, '17 : Rainfurrest-'15 : ChibiChibiCon-'17 : RenCon '17
Shy Gal (Nintendo Fan Design)