Thanks again all.
In terms of honeymoon, probably something hot and coastal but with enough to do to keep us interested for 2-3 weeks. Just returned from Costa Rica and, although I'd return in an instant (if you've not been, go), probably want to do something different this year. Hence I'm leaning east.
Current 'acceptable' option looks like a J redemption to Chennai, from which we can easily connect to Colombo, and then possibly gamble on an open jaw return from Male, but failing that, back from Chennai again.
Quick question - does the tactic of booking an outbound and then later adding a return to the booking for no penalty also apply to open jaw routes?