The roof terrace has a small plunge pool, perfect for cooling off in the midday heat.
There is also a cozy interior garden with a small plunge pool, and several rooftop terraces with sweeping overlooks.
But there were no shops onboard, and no pools, only a small "plunge bath," according to Mr. Maxtone-Graham.
It stands on First Street, near the old city's original center, Plaza Francia, and has "a roof terrace with views of the ocean and skyline, and even a small plunge pool up there".
The teak decks are a mass of rigging and rope, as this is a proper sailing ship, but there's plenty of space for sunbathing, as well as two small plunge pools.
Once a Carmelite convent, the 350-year-old building, in the middle of Old San Juan, has been transformed into a luxurious boutique hotel with 70 rooms and a small plunge pool.
On the second floor is a tropical patio with small plunge pool, while the groundfloor is given over to Cocotte restaurant, offering no-frills French cuisine and a fashionable coffee bar, immensely popular with locals.
As part of a fast-changing retirement picture, many Americans leave their longtime job, but then, fearing that their Social Security benefits and nest egg will prove too small, plunge into part-time work — as a consultant, say, or a salesclerk at a big-box store.
The small plunge pool is a godsend in summer, and in winter you might want to book to use the sauna (free to guests, but needs reserving) or simply curl up in the book-lined snug, next to a roaring fire.
Despite having some of the same markings as a cruise boat – there was a one-room spa, a two-treadmill gym and a small plunge pool at the back of the ship – the Endeavor is not a cruise.
