Check out and take bags with me.
10min walk to Stockholm main station
Take the 13 train towards Norsborg, 29min, 16 stops, Masmo, walk 8 min to MC-Varuhus
Pick up the scooter and ride Ride MC-Varuhus to Kapellskär 168km 3h30m
Buy groceries, board ferry at 8:45pm.
Start by riding 100 kilometers (about 1 hour) or Hwy 168 scenic route (about 3.5 hours) north of Stockholm to the port of Kapellskär.
Ferry Operator: Finnlines.
Departure: 21:45 (9:45pm) from Kapellskär, arriving Naantali at 7:15am.
Duration: 8 hours, 30 minute (remember time change).
Motorcycle and cabin €86.20, no breakfast, save that for Turku after landing
Ticket purchased: Booking reference number F260150750
Check-in closes 8:45pm
Departure: 20:00 (8:00 PM) from Stockholm Stadsgården Terminal.
Arrival: 07:35 the next morning (Tuesday, Sept 1) at Turku Linnansatama.
Duration: 10 hours, 35 minutes.
Aug 31, 8pm to 7:35am, Piccolo cabin, motorcycle, €109.50
Breakfast buffet €18 starts at 5:30am
https://sales.vikingline.com
Tallink Silja's boat (Baltic Princess) only departs Stockholm in the morning (around 07:10 AM).
So this one would be a Tuesday morning departure, and it sucks because you spend a full day on the boat
instead of overnight.