阿姗,能推荐一下你波多黎各游记中提到的潜水及住宿吗?

阿姗,能推荐一下你波多黎各游记中提到的潜水及住宿吗?
I plan to spend a four-day weekend in puerto rico and am thinking of taking some scuba diving lessons (first timer). It seems I shouldn't stay in San Juan if my main activities are outdoors.Will it be too risky to look for lodging after landing?

Many thanks.