skylofts only have their own spa (small - one of the units was converted) nothing else. (besides lobby, not sure how much space that has)

room to pool comparison >

mgm grand - 5044
aria - 4004
bellagio - 3933
palazzo @ venetian - 3025
venetian - 3014
resort @ wynn - 2063
encore - 2034
vdara - 1543
trump - 1254 (incl ~300 hilton timeshares)
venezia @ venetian - 1013
tower/villas @ wynn/encore - 920
mandarin oriental - 619 (227 condo residences)
palms place - 599
signature @ mgm - 576 (per tower)
skysuites @ aria - 442
four seasons - 424
mansion - 29 - $5000
palazzo @ rio - 9 - $3800

cheapest private pools
mirage lanais/villas - $1000 > $2500
rio presidential - $2250
palms place penthouse E

no private pool >
bellagio suites - 512 minus salone and bellagio (lounge)
encore tower - 267 (entrance)
nobu @ caesars - 181 (incl laurel entrance)
skylofts - 51 (limo)
hotel 32 - 50 (limo + lounge)
lanai/villa @ mirage - ? (limo + entrance)