The Indochina Junk Company we used was this one:
just a few of the projects involved are:
1. Collecting and treating waste in Halong Bay.
2. Changing all the Styrofoam floats underneath the floating houses by plastic floats which can be durable, long lasting and safe for environment.
3. Providing life jackets to the local fishermen
4. Re-planting mangrove forests in Halong Bay
5. Building new floating schools for the children
We were picked up by shuttle bus at 8.15am and arrived at Halong Bay departure point at 12.30 .... the 4 hour journey included the inevitable 'tourist trap' (disguised as a toilet / rest stop) with a visit to a large souvenir store that sold everything, though mostly marble. But a wander around the garden area allowed us to stretch our legs before boarding the bus again.
There were 21 of us on board, varying ages and physical ability. It was just as well we only took a small day pack each as seen by the amount of luggage on board the Tender as it took all of us across the bay onto the Dragons Pearl 3: