Tourgoers take a morning guided tour of the Tulum archaeological site, snorkel at Tulum's beach alongside colorful ... reviewers say this excursion from Cancun Sailing fits the bill.

U.S. News Insider Tip: For close proximity to Isla Mujeres during your beach vacation ... kayaking and snorkeling. Isla Mujeres also remains popular for its marine life, which you can see ...