The easiest way to check if your mask fits is to hold it over your face and inhale through your nose. If the mask is a good fit, it should stick to your face without the strap around your head. If you can still inhale, then the mask does not fit properly.
As you've probably gathered, Aruba has a lot of wrecks to explore. Some of the most popular wrecks with divers are the Antilla, Jane C and the YS-11.
Diving the Antilla Wreck
The Antilla is german freighter, suspected of supplying U-boats in the area during WW2 was sunk to become one of the largest wrecks in the Caribbean.
She was anchored off Aruba when Germany invaded the Netherlands and the captain was given 24 hours to surrender the ship - he scuttled it instead.
The 120m-long wrecks lies on its port side on sand at a depth of 18m and it almost reaches the surface. It's colossal, and youi could dive it several times and still not see it all. Storms have taken a toll on the Antilla and local dive operators say it is currently unsafe to penetrate the wreck, but there are plenty of swim-throughs, especially around the stern. It's a great wreck to explore - in this case, the bigger the wreck, the better!
The visibility isn't quite as good as other dive sites because of the shallow depth, the wreck is very popular with both divers and snorkellers, so make sure you watch out for overhead traffic.
Diving the Antilla Wreck Video
Diving the Jane C Wreck (AKA Jane Sea Wreck)
The Jane C is a cargo ship that was purposely sunk as a dive attraction in 1988. The wreck sites upright at a maximum depth of 30m just south of Barcadera Harbour.
The Jane C Starboard Side
You can begin your dive of the Jane C by dropping to a gently sloping reef dotted with sea fans and brain corals at 15m. The wreck itself is covered with tube sponges and fan corals, which are especially picturesque around the propeller. Massive green morays lie under the hull, angelfish nibble at the corals and solitary barracuda hang above the deck. Although there's plenty of life on the wreck, it hasn't yet been broken up by storms and remains intact.
The hold is fully open, and there are also holes in the side created just for divers. With a bit of flexibility, it's apparently possible to enter inside the wreck below the bridge - only for the experienced though.
Diving the Jane C Wreck Video
Diving the YS-11 Wreck
Although the wreck of this aeroplane lies underneath the flight path to Aruba's runway, contrary to urban myth it didn't actually make a crash landing, it was purposely sunk by John Oster from dive centre "fly'n'dive" in 2004.
The YS-11 Wreck
The YS-11 rests of its landing gear and tail at around 28m, and there's enough space below the wings to swim underneath. The carriage is empty - no seats or overhead lockers - and wide enough for a diver to swim though, with exists at both ends and light streaming through the windows. The cockpit still has seats and joysticks.
As it's a relatively new wreck, there's little coral or sponge growth - but exploring the plane was enough to keep most divers happy. To finish the dive, you can swim to Sponge Reef - itself a popular dive site - at around 15m. As the name suggests, the reef is dotted with tube sponges in yellow, red and blue.