Discover the magic of mantas, sharks and WWII wrecks in this ultra-lush Pacific island nation.

Palau, as photographed from the air, tends to send jaws dropping — followed by the question, “Where is that?”

This ultra-lush Pacific island nation, east of the Philippines and north of Indonesia, still isn’t as widely known as its neighboring destinations, perhaps because it’s a bit harder to reach. But the fact that it is more off the beaten path only makes it more magical. For divers, it excels like no other Pacific destination when it comes to big animals, a diversity of sites and stellar conditions.

Palau, with its dramatic drop-offs and steady currents, offers ideal conditions for divers to encounter pelagic life within recreational limits. Sites such as Blue Corner are famous in the dive community because they readily deliver action. Thirteen species of sharks, including gray and whitetip reef sharks, patrol these waters by the dozen to feed. Other big sightings include Napoleon wrasse, growing up to 6 feet long and 400 pounds. These big-lipped fish are known for their curiosity and tendency to approach divers. In the winter months, giant manta rays can be seen, sometimes as many as 30 at a time, at sites such as German Channel.

This island nation isn’t just about big-animal diving. Other highlights here include underwater caves, with rooms opening to air pockets where divers can surface to marvel at column-like stalactites. Also on the itinerary are several blue holes where leopard and whitetip sharks rest on the bottom, and the walls are home to macro critters, such as leafy scorpionfish and nudibranchs.

Palau also ranks among the world’s top destinations for World War II wrecks, with 60 sunken Japanese vessels to explore. One of the most famous is the Iro Maru, a 470-foot Japanese Navy oiler, still carrying 2 x 80 HA guns, oil drums and machinery.

The cherry on top is Palau’s conditions. Visibility tends toward 120 feet and greater at spots such as German Channel. The currents dust away sediment, keeping it all clean — but the currents can also prove a challenge for newer divers, so be prepared.

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The most photographed stretch of Palau remains the Rock Islands, a series of limestone outcroppings covered in deep green jungle. Besides diving, the best way to experience this natural wonder is via kayak. The Aggressor Travel division can arrange kayaking day tours to this eco hotspot where you’ll float atop pristine coral reefs and secret lagoons. Plus, bring binoculars to spy on the birdlife, from the ruby Palau fantail to the white-chested, green-winged Palau fruit dove.

For a posh travel experience, let Aggressor Travel secure you a special rate at the Palau Pacific Resort where overwater bungalows arc along a turquoise cove. These private hideaways feature a glass floor so guests can sip champagne while continuing to reef watch. Plus, large decks at the water’s edge allow for anytime snorkeling. Make the most of the day with a soak in the ocean-view, two-person tub, a perfectly romantic spot for watching the setting sun.

NEED TO KNOW

• Home Port: Koror, Palau
• Dive Season: Year-round
• Dive Conditions: 82-86 degrees F; 100-foot-plus viz; current
• Skill Level: Intermediate to advanced
• Travel Tip: Palau’s currency is the U.S. dollar, which helps explain why prices here are higher than in other Pacific island destinations. You’ll want to travel with enough cash on hand to cover taxis, departure fees and any other expenses — and keep in mind that cash machines in Palau are not reliable.

BOAT SPECS

• Length/Beam: 106 feet/30 feet
• Passenger-crew-ratio: 18:6
• Number of staterooms/beds: 9/18
• Sundeck: Yes
• Food and beverages included: Yes, including local beer and wine
• WiFi: Email is available through a satellite system; there is a charge

Contact info: 800-348-2628; info@aggressor.com; aggressor.com