I live here in Mahebourg [ South-east coast close to the airport] and we do offer boat trips from the Hotel Le Preskil and Pointe Jerome [just before Blue Bay]. If you would like to get an idea pls visit our web site and/or send me an e-mail for additional information.
http://boatexcursionsinmauritius.com e-mail firstname.lastname@example.org
Looking forward to hearing from you.
Sunny greetings/ Barbara