November through April offers the calmest seas and clearest water - perfect for snorkeling. Hurricane season (June-November) is technically possible but rougher and riskier. Check weather forecasts and sea conditions before you go, as dive and snorkel tours get cancelled in poor visibility or high seas.

Snorkeling at Hol Chan and reef expeditions book up fast during peak season (Dec-Mar), so aim for at least a week ahead if you're picky about dates. Outside peak season, a few days' notice usually works fine.

Yes - a guide makes the difference between spotting a nurse shark and missing it entirely. They know where grouper hang out, which coral formations are healthiest, and how to handle the reef respectfully. The fishing tours are especially worth it for the hands-on experience and the grill lunch afterward.

Water taxis and private boats are your main options. Most tours include boat transport, but if you're island-hopping on your own, check ferry schedules before you go and budget time for potential delays.

Typically boat transport, snorkel gear, multiple reef stops, and lunch - though specifics vary. Check your booking details because some include drinks and equipment rental, others don't. All-inclusive day tours to places like Goff's Caye often throw in beach time too.

Absolutely. Most reef tours accommodate beginners and families, with calm shallow waters in spots like Hol Chan where even nervous swimmers see plenty of life. Confirm age requirements and swimming ability restrictions before booking, especially for young kids.