It's more than "manageable" it's a beautiful country and a great vacation spot. There was alot of security at the airport and some road "checkpoints" but we never felt unsafe. You can buy the tickets in the United States for travel out of Colombo although I use an agent in CMB. They'll deliver tickets anywhere. SriLankan Airlines has partnered with Emirates after the big airport attack last summer and their fleet is young and well run.
The Maldives are beautiful and a great place for diving and just relaxing. Some of the best resorts are the Banyan Tree, Four Seasons, and Sonevafushi. It's expensive and I like to balance the trip with a week or more in SriLanka where there's culture and it's about one third the price. The Saman Villas in Bentota reminded me of what Waikiki must have looked like 75 years ago.
Colombo is also a great place for taking side trips to India.
We loved not having to wear shoes at the resorts even in the fine restaurants at dinner
antone