When you dash forward, You can Hit with your horns to cause 1d8 piercing damage. If target is the same size or smaller, it must make a DC 12 Strength saving throw. On a failed save, the target is thrown 5 feet and knocked prone.

Due to sailing in the darkness, A Coastal Minotuar can see in the dark reasonably well. It can see up to 60 feet in dimlight as if it was dim,  darkness as if it was dim. Can't decern colors, only shades of Grey.

Increase Dexterity by 2 and Constitution by 1

 Less Driven to Lawful Alignments, considering  they help less lawful services. More toward Chaotic Good.

Shorter than the typical Minotaur, Their height is close to 6ft but not quite.

Their speed is 40ft

Horns are natural weapons, Which you are proficent with. When you hit with them, the Target takes piercing damge equal to 1d6 + your strength modifier.

Has profincency with vehicles( Water).