Here are the Details of Mexico.

When to go
Good All year round
Marine Life
Vast coral reef and abundant fish life on the Caribbean side, while the Sea of Cortez's plankton rich environment supports Whale sharks, Mantas and sea-lions.
Diving
All grades on both sides. Reefs, walls, caves and wrecks to the East and West
Areas
Cozumel, Isla Mujeres are the most famous on the Caribbean side. Cabo san Lucas and La Paz on Baja Calafornia.
Cost
Moderate to Expensive
In Water
Thin suits in Caribbean waters and anything up to 7mm in Baja depending on season.
On Land
Light tropical clothing in summer. Warmer clothes on the coast in winter.
Hazards
Baja has stinging hydroids, cone shellfish and great white sharks. Reef hazards off Yucatan. Beware of Travel insurance coverage.
Currency
Peso
Electricity
110V
Visas
False
Info
www.mexico-travel.com