Standing out there in the water would be fine. The bottlenosed dolphin is not endangered. Similar worlds - miscellaneous - how far out in the ocean can you swim.
You can find dolphins in virtually all oceans. Swimming, way out in the ocean, i don't know that i would recommend. If you are an adult and feel confident in your swimming skills, you probably don't need a lifeguard at your beach.
That way if something happens, you know someone is there to take care of it. However, if you are taking a child to the beach or feel safer with someone watching you, it could be good to swim near a lifeguard or at a beach where lifeguards regularly work. How far can a dolphin swim in a day. How far can a dolphin swim in one day.
Swimming alone can be dangerous, especially if you plan to swim far out into the ocean. Dolphins typically swim not far from the coast of the lands they live near.
Reduce your risk of a shark attack.