Blue Hole Dive center has Mares Tutor (wrist mount)dive computers for rent by the day or by the week. Cost is $10 US/day or $30 US for a 5 day week.
Please note that you MUST use the computer for every dive or the no deco info will not be correct.
Please go to www.bluedive.com
for more details or email me direct at firstname.lastname@example.org.