Our boats are located at Katsuura Marine Harbor & this is also where we do our boarding & disembarkation. But you must enter by foot and park in either P1 or P2 shown below.
1 & 2 are shown clearly above or use the below google map links
Coming by car
Ken-o expressway and take route 297 direct to Katsuura town
Coming by train from Tokyo
Coming by Bus
Direct from opposite Tokyo station Yaesu Exit
further English information can be found here https://www.splashguesthouse.com/access