Summer (June-August) is peak season with warm water, reliable boat schedules, and all attractions open. Shoulder seasons (May and September) offer fewer crowds and pleasant weather, though some tour operators run reduced schedules. Winter is quiet and cold - check before you go if you're planning off-season.

Yes, especially for popular sunset cruises and parasailing during July and August. Many tours fill up weeks ahead during peak season. Spring and fall are more flexible, but booking a day or two ahead is still smart to guarantee your spot.

Ferry service connects the two year-round, and most tour operators either include ferry passage or depart directly from the docks. It's a short crossing (around 15 minutes). The Mackinac Bridge is strictly for cars and foot traffic - no tours run across it on foot, though bridge history cruises view it from the water.

Absolutely. Island bike tours guide you to viewpoints most casual visitors miss, while bridge history cruises and fort tours add real context to what you're seeing. Scavenger hunts keep kids engaged and help families explore strategically rather than aimlessly wandering.

Bring sunscreen (you're on the water all day), a change of clothes, and a secure bag for valuables. Most parasailing operations include life jackets and wetsuits if needed - check before you go for what's provided versus what you should bring.

Yes. Cruises (especially sunset cruises) work for all ages, and scavenger hunts are designed for families. Parasailing has age and weight restrictions - check with operators. Fort and historical site admissions are straightforward and appeal to kids curious about colonial history.

Harbor and shoreline cruises usually include narration and views; sunset cruises often add beverages or light snacks - confirm what's included when you book. Bridge cruises focus on history and views. Most don't include meals, so plan accordingly.