Advice on Diving in Mexico

... that lie offshore as reef platforms. Pacific Ocean Coast Looking to the Pacific Ocean to the west and the Sea of Cortez, you will find many famous and established tourist towns like Puerto Vallarta, Mazatlan, and Acapulco. While the Pacific Ocean is a gorgeous, deep, dark blue, the waters are stronger and colder than the Caribbean and do not offer the inviting waters of the Caribbean. You can easily arrange scuba diving trips via boats that bring you out a bit offshore to get away from the current. There, the islands known as Islas Marias, off Puerto Vallarta, offer a unique scuba diving ex...