Marine City 1st boat leaves Marine City 7:00am, last boat leaves Marine City 10:30pm. Sombra Ontario, Canada 1st boat leaves Sombra 6:40am, last Boat leaves Sombra 10:15pm. Foot passengers $2.00 (round trip). Cars $7.00, trucks (as per weigh), motorcycles $4.00, RV's $6.00 and up. Maximum height 13' and maximum length 75'.